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論文一覧
公開件数:218件
No. 著者・共著者名 発表論文の標題 掲載誌名 巻号頁 出版日 ISSN DOI
1 横関滉平、根武谷吾、氏平政伸、熊谷 寛
EIT 装置を用いた生体組織解凍過程の3次元モニタリング
電気学会論文誌 C
137/ 8, 1062-1069
2017/08

10.1541/ieejeiss.137.1062
2 武田 俊、熊谷 寛
スピン交換光ポンピングによる131Xeの超偏極と極低磁場における核磁気共鳴信号の増大
電気学会論文誌 C
137/ 4, 604-606
2017/04

10.1541/ieejeiss.137.604
3 池滝慶記、熊谷寛、ナンドール ボコル
ラゲール・ガウシアンビームを用いた超解像顕微鏡技術
O plus E
39/ 2, 168-173
2017/02


4 Kumagai H., Iketaki Y., Nagai K., and Bokor N.
Theoretical analysis of lateral resolution given by annular super-resolution phase plate
Proc. SPIE 10070, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIV
10070, 1-3
2017/02

10.1117/12.2250814
5 Takeda S. and Kumagai H.
Laser polarized Xe NMR and MRI at ultra-low magnetic fields
Proc. SPIE 10068,  Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues XV
10068, 1-3
2017/01

10.1117/12.2250804
6 池滝慶記、ナンドール ボコル、熊谷 寛
超解像顕微鏡
オプトロニクス
35/ 8, 64-68
2016/08


7 一二三奏, 根武谷吾, 熊谷寛
ウェアラブル電気インピーダンストモグラフィに有用な胸郭形状推定法
日本医療機器学会論文誌
86/ 5, 450-458
2016/05
1882-4978
10.4286/jjmi.86.450
8 H. Kumagai, Y. Iketaki, K. Jahn, and N. Bokor
Fabrication of two-color annular hybrid wave plate for three-dimensional super-resolution microscopy
Proc. SPIE
9713, 971311
2016/03

10.1117/12.2211871
9 Iketaki Y, Oi H, Bokor N., Kumagai H
Fabrication of resolution target for super-resolution microscopy
Rev. Sci. Instrum.
86/ 8, 086109 1-3
2015/08

10.1063/1.4929711
10 Iketaki Y, Kumagai H, Jahn K, Bokor N
Creation of a three-dimensional spherical fluorescence spot for super-resolution microscopy using a two-color annular hybrid wave plate
Optics Letters
40/ 6, 1057-1060
2015/03

10.1364/OL.40.001057
11 田代彩夏,井上雄介,磯山隆,斎藤逸郎,小野俊哉,佐藤雅巳,原伸太郎,圦本晃海,李欣陽,村上遥,川瀬由季乃,前野映里奈,井街宏,熊谷寛,阿部裕輔
ハイブリッド材料の滅菌・長期安定保存方法の研究
生体医工学
52/ Supplement, O-555-O-556
2014/10

10.11239/jsmbe.52.O-555
12 川瀬 由季乃 , 井上 雄介 , 磯山 隆 , 斎藤 逸郎 , 小野 俊哉 , 佐藤 雅巳 , 原 伸太郎 , 圦本 晃海 , 李 欣陽 , 村上 遥 , 田代 彩夏 , 前野 映里奈 , 井街 宏 , 熊谷 寛 , 阿部 裕輔
ハイブリッド材料を用いて剛性を向上させた補助人工心臓用脱血カニューレの開発
生体医工学
52/ Supplement, O-243-O-244
2014/10

10.11239/jsmbe.52.O-243
13 根武谷 吾 , 一二三 奏 , 熊谷 寛
曲率センサの胸郭上配置を想定した胸郭形状推定法:—ウェアラブル電気インピーダンストモグラフィの一機能として—
計測自動制御学会論文集
50/ 8, 616-621
2014/08

10.9746/sicetr.50.616
14 Hosoda K, Ishii K, Isoyama T, Saito I, Inoue Y, Ariyoshi K, Ono T, Nakagawa H, Imachi K, Kumagai H, Abe Y
Computational fluid dynamics analysis of the pump parameters in the helical flow pump
J. Artif Organs
17/ 1, 9-15
2014/03
1619-0904
10.1007/s10047-013-0739-8
15 Tadokoro Y., Takida Y., Kumagai H., Nashima S., Hangyo M.
Coherent time-domain detection of terahertz pulses generated from noncollinear phase-matched, picosecond terahertz parametric oscillator
Appl. Phys. Exp.
7/ 2, 022701 1-3
2014/01


16 小林 中、鉄本健太、熊谷 寛
パルス計数計測法用いた単一W原子上のHe-Ne電界吸着機構の研究
表面科学
34/ 7/8, 409-414
2013/08


17 熊谷 寛
高効率波長変換による疑似CWテラヘルツ波源の開発
TELECOM FRONTIER
80, 1-10
2013/08


18 熊谷 寛
酸化物軟X線ミラーの開発
電気学会論文誌C
133/ 3, 479-483
2013/03


19 田所 譲、瀧田佑馬、熊谷 寛、菜嶋茂喜、小林 中
ピコ秒光パラメトリック発振器から発生したテラヘルツ波の時間波形計測
レーザー研究
41/ 2, 125-128
2013/02


20 Takida Y, Ohira T, Tadokoro Y, Kumagai H, Nashima S
Tunable picosecond terahertz-wave parametric oscillators based on noncollinear pump- enhanced signal-resonant cavity
IEEE J. Sel. Top. Quantum Electron.
19/ 1, 8500307 1-6
2013/01


21 Y. Sanjo, M. Murata, Y. Tanaka, H. Kumagai, and M. Chigane
TiO2/sapphire beam splitter for high-order harmonics
Journal of Laser Micro/Nanoengineering
7/ 3, 375-379
2012/11


22 瀧田佑馬, 熊谷 寛, 前田真吾, 大平達也, 菜嶋茂喜
ピコ秒エンハンスメントキャビティによるテラヘルツパラメトリック発生(Ⅰ)ー テラヘルツ発生の評価
日本赤外線学会誌
21/ 2, 75-79
2012/10


23 熊谷 寛, 瀧田佑馬, 前田真吾, 大平達也, 菜嶋茂喜
ピコ秒エンハンスメントキャビティによるテラヘルツパラメトリック発生(Ⅱ)ー 2重共振器の評価
日本赤外線学会誌
21/ 2, 80-84
2012/10


24 大平 達也、瀧田 佑馬、田所 譲、熊谷 寛
外部共振器型SHG におけるエンハンスメント効果- CW モード及びモード同期ピコ秒パルスモードの比較 –
電気学会論文誌C
132/ 8, 1273-1277
2012/08


25 瀧田佑馬、大平達也、田所 譲、熊谷 寛、菜嶋茂喜
二重共振型テラヘルツ波パラメトリック発振器におけるアイドラー波の波長可変特性
電気学会論文誌C
132/ 8, 1299-1300
2012/08


26 Ohfuchi T, Takiya T, Inoue N, Nakayama K, Fukuda N, Kumagai H
Numerical Analysis of Optimal Fourth-Harmonic-Generation Crystal Length for Wavelength Conversion into Ultraviolet Light
Int. J. Res. and Rev. in Appl. Sci.
13/ 2, 358-369
2012/04


27 K. Mukoyama, K. Tokuyama, H. Kumagai, N. Inoue, N. Fukuda, and T. Takiya
Sum-frequency generation of continuous-wave tunable ultraviolet coherent light in BBO-installed external cavity
Proc. Photonics West 2012: LASE2012
8240, 824054 1-8
2012/04


28 T. Ohfuchi, N. Hirano, H. Matsukawa, K. Nakayama, H. Kumagai, N. Inoue, N. Fukuda, and T. Takiya
Quasi phase matching through periodic step structure
Proc. Photonics West 2012: LASE2012
8240, 824060 1-8
2012/04


29 Y. Sanjo, M. Murata, H. Kumagai, Y. Nabekawa, K. Midorikawa, and M. Chigane
Novel beam splitter for high-order harmonics with WO3/TiO2 bilayer grown on c-plane sapphire substrate by sequential surface chemical reactions
Proc. Photonics West 2012: LASE2012
8245, 8245-25 1-8
2012/04


30 Y. Tadokoro, Y. Takida, T. Ohira, H. Kumagai, and S. Nashima
Tunable terahertz parametric oscillator synchronously pumped by mode-locked picosecond Ti:Sapphire laser with MgO-doped LiNbO3
Proc. Photonics West 2012: LASE2012
8240, 824055 1-8
2012/04


31 Y. Takida, T. Ohira, Y. Tadokoro, H. Kumagai, and S. Nashima
Coherent electro-optical detection of THz-wave generated from synchronously pumped picosecond THz parametric oscillator
Proc. Photonics West 2012: LASE2012
8240, 82409 1-8
2012/04


32 Y. Takida, T. Ohira, S. Maeda, and H. Kumagai
High-efficiency second harmonic generation of a mode-locked picosecond Ti:sapphire laser with an external enhancement cavity
Journal of Laser Micro/Nanoengineering
6/ 3, 231-234
2011/12


33 K. Nagai and H. Kumagai
Design of novel titanium oxide / zinc oxide multilayer mirror for attosecond soft x rays
Materials Science and Engineering
24, 012021 1-8
2011/09


34 H. Kumagai, Y. Masuda, and T. Shinagawa
Self-limiting nature in atomic layer epitaxy of wurtzite thin films from sequentially pressurized Zn(CH2CH3)2 and H2O vapor pulses on sapphire (001) substrates
Materials Science and Engineering
24, 012022 1-9
2011/09


35 Y. Takida, S. Maeda, T. Ohira, H. Kumagai, S. Nashima
Noncascading THz-wave parametric oscillator synchronously pumped by mode-locked picosecond Ti:sapphire laser in doubly-resonant external cavity
Optics Communications
284, 4663-4666
2011/09


36 Y. Takida, T. Ohira, S. Maeda, and H. Kumagai
High-efficiency second harmonic generation of a mode-locked picosecond Ti:sapphire laser with an external enhancement cavity
Proc. The 12th International Symposium on Laser Precision Microfabrication (LPM2011)
11-095 1-5
2011/07


37 Y. Takida, S. Maeda, T. Ohira, H. Kumagai, and S. Nashima
Parametric oscillation of terahertz wave pumped by picosecond Ti:sapphire laser with MgO-doped LiNbO3 installed in external enhancement cavity
Proceedings of The 12th International Symposium on Laser Precision Microfabrication (LPM2011)
11-096 1-5
2011/07


38 Y. Sanjo, M. Murata, Y. Tanaka, H. Kumagai, and M. Chigane
TiO2/sapphire beam splitter for high-order harmonics
Proc. The 12th International Symposium on Laser Precision Microfabrication (LPM2011)
11-097 1-5
2011/07


39 T. Ohira, S. Maeda, Y. Takida, and H. Kumagai
70% frequency-doubling efficiency of 0.8-W mode-locked picosecond Ti:sapphire laser with external cavity
Proc. Photonics West 2011: LASE2011
7917, 79170A 1-6
2011/02


40 Y. Takida, S. Maeda, T. Ohira, H. Kumagai, and S. Nashima
Parametric generation of terahertz wave pumped by picosecond Ti:sapphire laser with MgO-doped LiNbO3 installed in external enhancement cavity
Proc. Photonics West 2011: LASE2011
7917, 79170F 1-6
2011/02


41 S. Maeda, T. Ohira, Y. Takida, H. Kumagai and S. Nashima
Low-threshold, quasi-cw terahertz parametric amplificaton in an external ring cavity with an MgO:LiNbO3 crystal
Proc. Photonics West 2011: LASE2011
7917, 79171P 1-8
2011/02


42 T. Shimono, H. Matsukawa, N. Hirano, H. Kumagai, N. Fukuda, T. Takiya, N. Inoue, and K. Nakayama
Study on periodic twinning of quartz crystal under bending stress
Proc. Photonics West 2011: LASE2011
7917, 79171R 1-7
2011/02


43 H. Matsukawa, T. Simono, N. Hirano, and H. Kumagai
A study on fabrication of BaMgF4 thin film toward frequency-conversion device in UV/VUV region
Proc. Photonics West 2011: LASE2011
7917, 79171Q 1-6
2011/02


44 M. Murata, Y. Tanaka, Y. Sanjo, H. Kumagai and T. Shinagawa
Atomic layer epitaxy of TiO2/ZnO multilayer optics using ZnO buffer layer for “water-window” x-rays
Proc. Photonics West 2011: LASE2011
7927, 79270Q 1-6
2011/02


45 Sanyo T, Murata M, Tanaka Y, Kumagai H, Chigane M
Atomic layer deposition of amorphous TiO2/ZnO multilayers for soft x-ray coherent optics
Proc. Photonics West 2011: LASE2011
7922, 79220L 1-10
2011/02


46 H. Kumagai, Y. Masuda, and T. Shinagawa
Self-limiting nature in atomic-layer epitaxy of rutile thin films from TiCl4 and H2O on sapphire (001) substrates
Journal of Crystal Growth
314/ 1, 146-150
2011/01


47 熊谷 寛,柳原美廣
短波長軟X線域の多層膜技術と顕微鏡応用の新展開
レーザー研究
38/ 12, 976-980
2010/12


48 H. Kumagai, Y. Tanaka, M. Murata, Y. Masuda, and T. Shinagawa
Novel TiO2/ZnO multilayer mirrors at "water-window" wavelengths fabricated by atomic layer epitaxy
Journal of Physics: Condensed Matter
22, 474008 1-7
2010/12


49 S. Maeda, Y. Tabata, H. Yamada, and H. Kumagai
Comparative study of laser-induced metastability-exchange optical pumping of 3He atoms through the 23S1-33PJ transition at 389 nm with the 23S1-23PJ transition at 1083 nm
Optical Engineering
49/ 9, 091014 1-5
2010/09


50 Y. Tabata, H. Yamada, S. Maeda, H. Morioka, H. Kumagai, and A. Kobayashi
Nuclear spin polarization of 3He atoms with a frequency doubled Ti:sapphire laser toward nuclear magnetic resonance of porous media
Proc. Photonics West 2010: LASE2010
7586, 75860L 1-10
2010/02


51 Y. Tanaka, M. Murata, H. Kumagai, and A. Kobayashi
Fabrication of Al2O3/TiO2 multilayer mirrors for 'water-window' attosecond pulses
Proc. Photonics West 2010: LASE2010
7586, 75860J 1-9
2010/02


52 S. Maeda, H. Morioka, T. Ohira, H. Kumagai, and A. Kobayashi
Generation of quasi-continuous wave 389-nm coherent light by frequency doubling of a Ti:sapphire laser for nuclear spin polarization of 3He atoms
Proc. Photonics West 2010: LASE2010
7582, 75820N 1-9
2010/02


53 M. Murata, Y. Tanaka, H. Kunagai, and A. Kobayashi
Atomic layer epitaxy of ZnO and TiO2 thin films on c-plane sapphire substrate for novel oxide soft x-ray mirrors
Proc. Photonics West 2010: LASE2010
7603, 76030R
2010/02


54 H. Kumagai, Y. Tanaka, Y. Masuda, T. Shinagawa, and A. Kobayashi
Development of novel oxide multilayer mirrors at "water- window" wavelengths by atomic layer deposition / atomic layer epitaxy
Transactions of the Materials Research Society of Japan
34, 605-608
2009/12


55 H. Kumagai and Y. Masuda
Design of novel titanium oxide/nickel oxide multilayer mirror for attosecond soft x rays
Transactions of the Materials Research Society of Japan
34, 609-612
2009/12


56 S. Maeda, Y. Tabata, H. Morioka, H. Kumagai, and A. Kobayashi
Single-frequency 389-nm coherent light by efficient wavelength conversion for Magnetic Resonance Imaging of laser-processed 3D structures with nuclear spin polarization of 3He atoms
Journal of Laser Micro/Nanoengineering
4/ 3, 224-226
2009/12


57 S. Maeda, H. Morioka, H. Kumagai, and A. Kobayashi
Conversion efficiency of 56% in frequency doubling of single-frequency coherent light from Ti:sapphire laser at 778 nm in high-finesse resonant cavity containing BiBO crystal
Nuclear Instruments and Methods in Physics Research- Section B
267/ 20, 3471-3474
2009/10


58 H. Kumagai, Y. Tanaka, Y. Masuda, T. Shinagawa, and A. Kobayashi
Novel oxide multilayer reflectors at "water-window" wavelengths for x-ray processing
Proc. The 5th International Congress on Laser Advanced Materials Processing
318 1-5
2009/06


59 S. Maeda, Y. Tabata, H. Morioka, H. Kumagai, and A. Kobayashi
Single-frequency 389-nm coherent light by efficient wavelength conversion for Magnetic Resonance Imaging of laser-processed 3D structures with nuclear spin polarization of 3He atoms
Proc. The 5th International Congress on Laser Advanced Materials Processing
327 1-5
2009/06


60 Y. Aoki, Y. Shiomi, T. Yamamoto, H. Kumagai, and A. Kobayashi
Nanosecond 389-nm coherent light source with injection seeding for nuclear spin polarization of 3He atoms
Proc. Photonics West 2009: LASE
7193, 71930X 1-9
2009/02


61 S. Maeda, Y. Tabata, H. Morioka, H. Kumagai, and A. Kobayashi
Frequency doubling of a single-frequency 778-nm Ti:Sapphire laser for nuclear spin polarization of 3He atoms
Proc. Photonics West 2009: LASE
7197, 71970W 1-8
2009/02


62 Y. Tanaka, Y. Masuda, H. Kumagai, T. Sinagawa and A. Kobayashi
Atomic layer epitaxy of TiO2/ZnO multilayers for “water-window” attosecond optics
Proc. Photonics West 2009: LASE
7201, 72010Z 1-9
2009/02


63 H. Kumagai
Novel oxide multilayer multilayers at “water-window” wavelengths fabricated by atomic layer epitaxy / atomic layer deposition
Proceedings (II) of OCU Symposium on “Pioneering Development of Human Adaptive Materials” and JST International Symposium on “Micro and Trace X-ray Analysis”
39-40
2009/02


64 Y. Shiomi, T. Yamamoto, H. Kumagai, and A. Kobayashi
Isotopic separation of silicon atoms with atomic mirror
Nuclear Instruments and Methods in Physics Research- Section B
266/ 23, 5047-5049
2008/12


65 Y. Shiomi, T. Yamamoto, H. Kumagai and A. Kobayashi
Single-frequency nanosecond-pulsed deep-ultraviolet coherent light source at 252 nm for manipulating silicon atoms resonantly
Opt. Commun.
281/ 14, 3824-3826
2008/07


66 S. Maeda, K. Kyutoku, H. Kumagai and A. Kobayashi
Optogalvanic spectroscopy using 389-nm coherent light source accurately tuned to resonance frequency of 23S->33P of 3He
Nuclear Instruments and Methods in Physics Research- Section B
266, 2623-2626
2008/06


67 Y. Shiomi, T. Yamamoto, H. Kumagai, and A. Kobayashi
Fine spectroscopy of semiconductor atoms for controlling nuclear spins
Proc. Photonics West 2008: LASE
6905, 69050F 1-8
2008/02


68 T. Yamamoto, Y. Shiomi, H. Kumagai, and A. Kobayashi
Frequency stabilization of nanosecond deep-ultraviolet coherent light source with injection seeding
Proc. Photonics West 2008: OPTO
6871, 68710F 1-7
2008/02


69 S. Maeda, K. Kyutoku, H. Kumagai, and A. Kobayashi
Single-frequency 389-nm CW coherent light sourcefor optical pumping of metastable 3He atoms
Proc. Photonics West 2008: LASE
6875, 68751B 1-8
2008/02


70 Y. Masuda, T. Fujimoto, H. Kumagai, and A. Kobayashi
Titanium oxide/nickel oxide multilayer reflector for attosecond soft x rays
Proc. Photonics West 2008: OPTO
6890, 68900T 1-8
2008/02


71 Y. Shiomi, T. Yamamoto, Y. Aoki and H. Kumagai
Novel optogalvanic spectroscopy of semiconductor atoms with a frequency-tripled ns Ti:sapphire laser injection-seeded by cw frequency-scanning Ti:sapphire laser
Proc. APLS2008-The 6th Asia Pacific Laser Symposium
1020-1023
2008/01


72 塩見康友、久徳邦明、熊谷 寛
シリコン原子波操作のためのナノ秒パルス深紫外コヒーレント光源の注入同期性能
電気学会論文誌C
127, 1346-1347
2007/09


73 塩見康友、熊谷 寛
原子ミラーを用いた同位体シリコン原子の運動制御
電気学会論文誌C
127, 1348-1349
2007/09


74 熊谷 寛
2波長同時共振型のCW深紫外和周波発生における周波数精密制御
電気学会論文誌C
127, 1350-1351
2007/09


75 K. Kyutoku, S. Maeda, H. Kumagai, and A. Kobayashi
Frequency doubling of ps Ti:sapphire laser with PPMgLN waveguide for spin polarization of 3He
Proc. Photonics West 2007: LASE
6455, 645506 1-8
2007/02


76 Y. Shiomi, T. Yamamoto, H. Kumagai, and A. Kobayashi
Single-frequency stabilization of frequency-tripled nanosecond Ti:sapphire laser injection-seeded for silicon atom optics
Proc. Photonics West 2007: LASE
6451, 64510U 1-10
2007/02


77 T. Fujimoto, Y. Shiomi, H. Kumagai, and A. Kobayashi
Atomic layer deposition of atomic mirror for silicon
Proc. Photonics West 2007: LASE
6458, 64581D 1-6
2007/02


78 Y. Shiomi, K. Kyutoku, H. Kumagai, and A. Kobayashi
Characterization of frequency-tripled nanosecond pulsed Ti:sapphire laser injection-seeded by frequency-scanning cw Ti:sapphire laser using optogalvanic spectroscopy of silicon atoms
Opt. Lett.
31/ 20, 3037-3039
2006/10


79 H. Kumagai
Fine frequency tuning in sum-frequency generation of continuous-wave single-frequency coherent light at 252 nm with dual-wavelength enhancement
Opt. Lett.
31/ 1, 3037-3039
2006/01


80 熊谷 寛
同位体シリコン原子制御のための深紫外コヒーレント光源の開発
光技術コンタクト
43/ 3, 134-139
2005/03


81 H. Kumagai
Development of a Continuous-Wave, Deep-Ultraviolet, and Single-Frequency Coherent Light Source- Challenges toward laser cooling of silicon
IEEE J. Selected Topics in Quantum Electron.
10/ 6, 1252-1258
2004/11


82 S. Shimizu, T. Iwane, A. Kunieda, H. Kumagai, K. Midorikawa, and M. Obara
Design of atomic mirror for silicon atoms
Science and Technology of Advanced Materials
5, 581-583
2004/09


83 T. Iwane, H. Kumagai, K. Midorikawa, and M. Obara
Performance characteristics of external cavities to generate deep-ultraviolet coherent lights resonant to 3p3P1->4s3P0 cyclic transition of 28Si
Science and Technology of Advanced Materials
5, 589-592
2004/09


84 T. Minegishi, H. Kumagai, Y. Urata, K.L. Ishikawa, M. Nakazawa, K. Midorikawa
Second harmonic generation of pseudo mode-locked multi ten milliwatt picosecond Ti:sapphire laser
Science and Technology of Advanced Materials
5, 593-596
2004/09


85 國枝 晶,熊谷 寛,岩根 哲晃,清水 悟,緑川 克美,小原 實
シリコン原子の精密原子分光
レーザー研究
32/ 7, 469-474
2004/07


86 S.-H. Cho, H. Kumagai, and K. Midorikawa
Dynamics of permanent structural transformations in ZBLAN induced by self-channeled plasma filament
Opt. Materials
26/ 1, 57-63
2004/06


87 H. Kumagai, S. Shimizu, T. Iwane, A. Kunieda, K. Midorikawa, and M. Obara
Laser Cooling for Si Atom Manipulation with Atomic Mirror
Proc. Photonics West 2004: LASE
5339, 587-594
2004/02


88 Y. Ueda, H. Kumagai, T, Meguro, and K. Midorikawa, and M. Obara
Optogalvanic spectroscopy of silicon atoms
Nuclear Instruments and Methods in Physics Research- Section B
215/ 3-4, 419-422
2004/02


89 J. Maehara, Y. Yamada, H. Kumagai, K. Midorikawa, and T. Yabe
Comparison of simulations and experiments of femtosecond laser ablation of nickel in gaseous and water environments
Jpn. J. Appl. Phys.
43/ 1, 172-175
2004/01


90 H. Kumagai
Beyond the silicon roadmap [silicon laser cooling]
IEEE Circuits and Devices Magazine
20/ 1, 32-37
2004/01


91 H. Kumagai, K. Midorikawa, T. Iwane, and M. Obara
Efficient sum-frequency generation of continuous-wave single-frequency coherent light at 252 nm with dual wavelength enhancement
Opt. Lett.
28/ 20, 1969-1971
2003/10


92 I.-W. Park, H. Ju, A. Avilov, S.-H. Choh, E. K. Koh, S.-H. Cho, H. Kumagai, and K. Midorikawa
An irrecoverable change in the refractive index of plasma self-channeled silica fibers caused by femtosecond optical pulses
Applied phys. Lett.
83, 656-658
2003/07


93 S.-H. Cho, H. Kumagai, and K. Midorikawa
Fabrication of multi-core structures in an optical fiber using plasma self-channeling
Opt. Express
11/ 15, 1780-1786
2003/07


94 S.-H. Cho, H. Kumagai, and K. Midorikawa
In situ observation of dynamics of plasma self-channeling and bulk modification in silica glasses induced by a high-intensity femtosecond laser
Applied physics A
76/ 5, 755-761
2003/05


95 H. Kumagai, S.-H. Cho, K. Ishikawa, K. Midorikawa, M. Fujimoto, S. Aoshima, and Y. Tsuchiya
Observation of complex propagation of a femtosecond laser pulse in a dispersive transparent bulk material
J. Opt. Soc. Am. B
20, 597-602
2003/03


96 S.-H. Cho, H. Kumagai, and K. Midorikawa
Fabrication of single-mode waveguide structure in optical multimode fluoride fibers using self-channeled plasma filaments excited by a femtosecond laser
Applied physics A
77/ 3-4, 359-362
2003/03


97 Y. Asakawa, H. Kumagai, K. Midorikawa, and M. Obara
50% frequency-doubling efficiency of 1.2-W cw Ti:sapphire laser at 746 nm
Opt. Commun.
217/ 1-6, 311-315
2003/03


98 H. Kumagai, K. Midorikawa, Y. Asakawa, and M. Obara
Toward nanoprocess applications with laser-cooled silicon atoms
Proc. Photonics West 2003: LASE
4830, 218-221
2003/02


99 S.-H. Cho, H. Kumagai, K. Midorikawa
In-situ observation of dynamics of plasma formation and refractive index modification in silica glasses excited by a femtosecond laser
Proc. Photonics West 2003: LASE
4830, 557-566
2003/02


100 H. Kumagai, Y. Asakawa, T. Iwane, K. Midorikawa, and M. Obara
Efficient frequency doubling of 1-W CW Ti:sapphire laser with a robust high-finesse external cavity
Appl. Opt.
42, 1036-1039
2003/02


101 S.-H. Cho, H. Kumagai, and K. Midorikawa
in situ Observation of dynamics of plasma formation and refractive index modification in silica glasses excited by a femtosecond laser
Opt. Commun.
207, 243-253
2002/12


102 436-437
All-solid-state, continuous-wave, single-frequency, tunable, deep-ultraviolet coherent light source by efficient sum frequency generation with dual frequency enhancement
2002 IEEE/LEOS Annual Meeting Conference Proceedings
436-437
2002/11


103 Y. Ueda, T. Iwane, H. Kumagai, K. Midorikawa, and M. Obara
Optogalvanic Spectroscopy of Silicon Atoms
2002 IEEE/LEOS Annual Meeting Conference Proceedings
283-284
2002/11


104 T. Iwane, Y. Asakawa, H. Kumagai, K. Midorikawa, and M. Obara
A High Finnese External Cavity with a LiB3O5 Crystal for Efficient Frequency Doubling of CW Ti:Sapphire Laser
2002 IEEE/LEOS Annual Meeting Conference Proceedings
440-441
2002/11


105 S.-H. Cho, H. Kumagai, and K. Midorikawa
Fabrication of internal diffraction gratings in planar silica plates using low-density plasma formation induced by a femtosecond laser
Nuclear Instruments and Methods in Physics Research- Section B
197/ 1-2, 73-82
2002/11


106 K. Ishikawa, H. Kumagai and K. Midorikawa
High-power regime of femtosecond-laser pulse propagation in silica: multiple-cone formation
Phys. Rev. E
66/ 5, 056608 1-8
2002/11


107 N. M. Kurata, F. Tokanai, Y. Matsuo, T. Kobayashi, J. Kawai, H. Kumagai, K. Midorikawa, I. Tanihata, and Y. Hayashizaki
Simultaneous atomization and ionization of large organic molecules using femtosecind laser ablation
Applied Surface Science
8097, 1-5
2002/09


108 H. Kumagai, Y. Asakawa, K. Midorikawa, and M. Obara
Towards laser cooling of silicon atoms
Proc. International Symposium on Manipulation of Atoms and Molecules by Electronic Excitations
114-115
2002/03


109 K. Ishikawa, H. Kumagai, and K. Midorikawa
High-power femtosecond-laser pulse propagation in silica
AIP coference proceedings
634, 203-210
2002/03


110 H. Kumagai, K. Midorikawa, Y. Asakawa, and M. Obara
Atom lithography with laser-cooled silicon atoms
RIKEN Rev.
50, 34-37
2002/03


111 S.-H. Cho, H. Kumagai, and K. Midorikawa
Time-resolved dynamics of plasma formation and refractive index modification in silica glasses excited by a femtosecond laser
RIKEN Rev.
50, 95-100
2002/03


112 熊谷 寛
シリコン原子レーザー冷却のための連続波深紫外コヒーレント光源の開発
光学
30, 811-813
2001/12


113 H. Kumagai
Development of a High-Power Deep-Ultraviolet Continuous-Wave Coherent Light Source for Laser Cooling of Silicon Atoms
2001 IEEE/LEOS Annual Meeting Conference Proceedings
588-589
2001/11


114 熊谷 寛
レーザー超精密加工における光波シンセシス
光学
30, 586-592
2001/09


115 H. Kurata, H. Kumagai and K. Ozasa
High-resolution elemental mapping of titanium oxide/ aluminium oxide multiplayer by spectrum-imaging
J. Electron Microscopy
50/ 3, 141-146
2001/05


116 H. Kumagai, Y. Asakawa, T. Fujii, K. Midorikawa, and M. Obara
High-power deep-UV cw coherent light source for laser cooling of silicon atoms
RIKEN Rev.
33/ 3-5
2001/03


117 Y. Asakawa, H. Kumagai, K. Midorikawa, and M. Obara
Sum-frequency generation of a CW single-frequency mode coherent light at 252 nm for laser cooling of silicon
Proc. SPIE
4269, 197-204
2001/02


118
The growth of Cr4+:YAG and Cr4+:GGG thin films by pulsed laser deposition
Opt. Comm.
187, 373-377
2001/01


119 T. Fujii, H. Kumagai, K. Midorikawa, and M. Obara
Development of a high-power deep-ultraviolet continuous-wave coherent light source for laser cooling of silicon atoms
Opt. Lett.
25, 1457-1459
2000/10


120 K. Furusawa, T. Takahashi, S.-H. Cho, H. Kumagai, K. Midorikawa, and M. Obara
Pulse duration dependence of metal ablation using a femtosecond titanium sapphire laser
Proc. SPIE
3885, 509-516
2000/02


121 S-H. Cho, H. Kumagai, K. Midorikawa, and M. Obara
Time-resolved dynamics of plasma self-channeling and bulk modification in silica glasses induced by a high-intensity femtosecond laser
Proc. SPIE
4088, 40-43
2000/02


122 K. Furusawa, K. Takahashi, S.-H. Cho, H. Kumagai, K. Midorikawa, and M. Obara
Femtosecond laser micromachining of TiO2 crystal surface for robust optical catalyst
J. Appl. Phys.
87, 1604-1609
2000/02


123 S-H. Cho, H. Kumagai, K. Midorikawa, and M. Obara
Time-resolved dynamics of plasma self-channeling and bulk modification in silica glasses induced by a high-intensity femtosecond laser
Proc. 1999 IEEE Seventh International Conference on Terahertz Electronics
133-136
1999/12


124 K. Furusawa, K. Takahashi, H. Kumagai, K. Midorikawa, and M. Obara
Ablation charasteristics of Au, Ag, and Cu metals using a femtosecond Ti:sapphire laser
Applied Physics A
69, S359-S366
1999/12


125 S.-H. Cho, H. Kumagai, K. Midorikawa, and M. Obara
Fabrication of double cladding structure in optical fibers using plasma channeling excited by a high-intensity femtosecond laser
Opt. Comm.
168, 287-295
1999/09


126 I. K. Ilev, R. W. Waynant, H. Kumagai, and K. Midorikawa
Double-Pass Fiber Raman Laser-A Powerful and Widely Tunable in the Ultraviolet, Visible, and Near-Infrared Fiber Raman Laser for Biomedical Investigations
IEEE J. Selected topics in Quantum Electron.
5/ 4, 1013-1018
1999/07


127 S.-H. Cho, H. Kumagai, K. Midorikawa, and M. Obara
Fabrication study of double cladding structure in optical fibers using plasma channeling induced by a femtosecond laser
Proc. SPIE
3885, 293-302
1999/02


128 S.-H. Cho, H. Kumagai, I. Yokota, K. Midorikawa, and M. Obara
Observation of self-channeled plasma formation and bulk modification in optical fibers using high-intensity femtosecond laser
Jpn. J. Appl. Phys.
37/ 6B, L737-L739
1998/09


129 熊谷 寛
フェムト秒レーザー加工
応用物理
67/ 9, 1051-1055
1998/09


130 S.-H. Cho, H. Kumagai, I. Yokota, K. Midorikawa, and M. Obara
Observation of self-channeling and modification in optical fibers using a high-intensity femtosecond laser
Proc. SPIE
3343, 515-522
1998/02


131 M. Obara, K. Adachi, T. Hasegawa, A. Machida, S. Fukaya, H. Kumagai, and K. Midorikawa
Planar laser and nonlinear optical waveguides fabricated by pulsed laser deposition
Proc. SPIE
3343, 796-804
1998/02


132 S.-H. Cho, H. Kumagai, K. Midorikawa, and M. Obara
Modification in optical fibers using high-intensity femtosecond lasers
Proc. SPIE
3618, 161-169
1998/02


133 M. Okoshi, H. Kumagai, and K. Toyoda
Pulsed laser deposition of carbon nitride thin films in nitrogen gas ambient
J. Materials Reserch
12/ 12, 3376-3379
1997/12


134 石井真史, 熊谷 寛
原子層制御による短周期多層膜鏡の作製
応用物理
66/ 12, 1357-1358
1997/12


135 X. Zhang, M. Izutsu, H. Kumagai, and K. Toyoda
Femtosecond optical Kerr studies of photodarkening effect on nonlinear optical properties of CdSxSe1-x doped glass
Optics Communications
142, 273-278
1997/10


136 H. Matsuyama, H. Kumagai, K. Toyoda, and M. Obara
Soft x-ray mirrors with Li2O/ZrO2 superlattices
Laser Science Progress Report of RIKEN
19, 55-57
1997/09


137 H. Kumagai, K. Kobayashi, Y. Iimura, K. Toyoda, and M. Obara
High reflectance around soft x-ray wavelengths in Al2O3/TiO2 oxide multilayer mirrors
Laser Science Progress Report of RIKEN
19, 52-54
1997/09


138 T. Kotaki, H. Kumagai, I. Ilev, K. Toyoda, and M. Obara
Double-pass amplification in a fiber pumped by high-intensity ultrashort pulses
Laser Science Progress Report of RIKEN
19, 49-51
1997/09


139 I. Ilev, H. Kumagai, and K. Toyoda
Solid-density plasma formation in optical fibers at high-intensity femtosecond laser excitation
Laser Science Progress Report of RIKEN
19, 46-48
1997/09


140 I. Ilev, H. Kumagai, and K. Toyoda
Fiber-optic autocollimation sensor method for multiparameter measurements
Laser Science Progress Report of RIKEN
19, 43-45
1997/09


141 I. Ilev, H. Kumagai, and K. Toyoda
An ultraviolet and blue tunable double-pass fiber Raman laser
Laser Science Progress Report of RIKEN
19, 40-42
1997/09


142 I. Ilev, H. Kumagai, and K. Toyoda
Ultraviolet and blue discretely tunable double-pass fiber Raman laser
Appl. Phys. Lett.
70/ 24, 3200-3202
1997/06


143 I. Ilev, H. Kumagai, and K. Toyoda
A powerful and widely tunable double-pass fiber Raman laser
Optics Communications
138, 337-340
1997/06


144 熊谷 寛
原子層堆積/原子層成長法による軟X線多層膜ミラーの新展開
レーザー研究
25/ 5, 355-361
1997/05


145 H. Kumagai, K. Toyoda, K. Kobayashi, M. Obara, and Y. Iimura
Titanium Oxide / aluminium oxide multilayer reflectors for "water-window" wavelengths
Appl. Phys. Lett.
18, 2338-2340
1997/05


146 M. Ezaki, H. Kumagai, K. Adachi, K. Toyoda, and M. Obara
Growth and characterization of Nd:YAG epitaxial planar waveguides by pulsed laser deposition
SPIE Proc. on XI International Symposium on Gas Flow and Chemical Lasers and High Power Laser Conference
269-272
1997/04


147 H. Kumagai, K. Adachi, M. Ezaki, K. Toyoda, and M. Obara
Epitaxial growth of Nd:YAG thin films by pulsed laser deposition
Appl. Surface Science
109/110, 528-532
1997/02


148 I. Ilev, H. Kumagai, and K. Toyoda
Simple wide-range method for angle measurement with a point fiber-optic output
Applied Optics
36/ 1, 376-379
1997/01


149 I. Ilev, H. Kumagai, and K. Toyoda
Refractive-index dispersion measurement of bulk optical materials using a fiber Raman laser widely tunable in the visible and near-IR
Optical Review
4/ 1A, 61-64
1997/01


150 I. Ilev, H. Kumagai, K. Toyoda, D. Uttamchandani, and B. Culshaw
Alternative fiber-optic backreflectance sensor for measurement of the effective focal lengths of optical elements and distances
Optical Review
4/ 1A, 58-60
1997/01


151 I. Ilev, H. Kumagai, and K. Toyoda
A fiber-optic autocollimation refractometric method for dispersion measurement of bulk optical materials using a widely tunable fiber Raman laser
IEEE Journal of Quantum Electronics
32/ 11, 1897-1902
1996/11


152 M. Ezaki, M. Obara, H. Kumagai, and K. Toyoda
Characterization of Nd:Y3Al5O12 thin films grown on various substrates by pulsed laser deposition
Appl. Phys. Lett.
69/ 20, 2977-2979
1996/11


153 M. Okoshi, H. Kumagai, and K. Toyoda
Fablication of Carbon Nitride films by pulsed laser deposition method
Laser Science Progress Report of RIKEN
18, 57-59
1996/09


154 M. Ezaki, H. Kumagai, K. Toyoda, and M. Obara
Fablication and characterization of Nd:YAG thin films by pulsed laser deposition
Laser Science Progress Report of RIKEN
18, 51-53
1996/09


155 K. Kobayashi, H. Kumagai, K. Toyoda, and M. Obara
Soft x-ray mirrors using GeO2/TiO2 multilayer crystals
Laser Science Progress Report of RIKEN
18, 48-50
1996/09


156 I. Ilev, H. Kumagai, and K. Toyoda
Double-pass fiber Raman laser widely tunable in the visible and near-IR ranges
Laser Science Progress Report of RIKEN
18, 33-35
1996/09


157 熊谷 寛, 河村良行, 豊田浩一
自由電子レーザーの光学系の高性能化に関する研究
原子力工業
42/ 9, 66-70
1996/09


158 I. Ilev, H. Kumagai, and K. Toyoda
A widely tunable (0.54-1.01 μm) double-pass fiber Raman laser
Appl. Phys. Lett.
69/ 13, 1846-1848
1996/09


159 H. Kumagai, K. Kobayashi, Y. Iimura, K. Toyoda, and M. Obara
Novel metal oxide multilayer reflectors for “water-window” wavelengths
JSPE Proc. The 2nd US-Japan Workshop on Soft X-ray Optics
570-576
1996/07


160 H. Kumagai, K. Toyoda, M. Ezaki, and M. Obara
Epitaxial growth of Nd:YAG thin films by pulsed laser deposition
Proc. Symposia Proceedings 64, Laser Processing of Surfaces and Thin Films
528-532
1996/07


161 H. Kumagai, M. Matsumoto, K. Toyoda, and M. Obara
Preparation and characteristics of nickel oxide thin film by controlled growth with sequential surface chemical reactions
J. Mater. Sci. Lett.
15/ 12, 1081-1083
1996/06


162 I. Ilev, H. Kumagai, K. Toyoda, D. Uttamchandani, and B. Culshaw
A bi-parameter optical fiber backreflectance sensor for measurement of the focal lengths of optical elements and distances
Proc. Eleventh International Conference on Optical Fiber Sensors (OFS-11)
224-227
1996/05


163 I. Ilev, H. Kumagai, and K. Toyoda
A simple fiber-optic autocollimation method for refractive-index dispersion measurement of optical materials using broad-band fiber Raman laser
Proc. Eleventh International Conference on Optical Fiber Sensors (OFS-11)
614-617
1996/05


164 I. Ilev, H. Kumagai, K. Toyoda, and I. Koprinkov
Highly efficient wide-band continuum generation in a single-mode optical fiber by powerful broad-band laser pumping
Applied Optics
35/ 15, 2548-2553
1996/05


165 I. Ilev, H. Kumagai, K. Toyoda, D. Uttamchandani, and B. Culshaw
An alternative fiber-optic backreflectance method for measurement of distances using cw laser
Review of Scientific Instruments
67/ 3, 662-665
1996/03


166 S. Nakamura, K. Midorikawa, H. Kumagai, M. Obara, and K. Toyoda
Effect of pulse duration on ablation characteristics of tetrafluoroethlene-hexafluoropropylene copolymer (FEP) film using Ti,sapphire laser
Jpn. J. Appl. Phys.
35, 101-106
1996/01


167 熊谷 寛
コンパクトな真空紫外光源の最前線
電気学会誌
115/ 12, 790-794
1995/12


168 M. Ezaki, H. Kumagai, K. Kobayashi, K. Toyoda, and M. Obara
Crystal Growth of Nd,YAG Laser Films on Various Substrates by Pulsed Laser Deposition
Jpn. J. Appl. Phys.
34/ 12B, 6838-6841
1995/12


169 S. Nakamura, K. Midorikawa, H. Kumagai, M. Obara, and K. Toyoda
Ablation of polytetrafluoroethylene film with an ultrashort high-power Ti:sapphire laser (II)
Laser Science Progress Report of RIKEN
17, 33-35
1995/09


170 H. Kumagai and K. Toyoda
Theoretical optical properties of soft-x-ray multilayer mirrors composed of metal oxide layers
Laser Science Progress Report of RIKEN
17, 51-53
1995/09


171 M. Ezaki, K. Kobayashi, H. Kumagai, K. Toyoda, and M. Obara
Fablication of Nd:YAG thin films by pulsed laser deposition method
Laser Science Progress Report of RIKEN
17, 39-41
1995/09


172 M. Ezaki, H. Kumagai, K. Toyoda and M. Obara
Surface Modification of III-V Compound Semiconductors Using Surface Electromagnetic Wave Etching Induced by Ultraviolet Lasers
IEEE Journal of Selected Topics in Quantum Electronics
1/ 3, 841-847
1995/09


173 M. Ezaki, H. Kumagai, K. Kobayashi, K. Toyoda and M. Obara
Crystal Growth of Nd,YAG Laser Films on Various Substrates by Pulsed Laser Deposition
Proc. of the 1995 International MicroProcess Conference
6838-6841
1995/07


174 H. Kumagai, M. Matsumoto, K. Toyoda, M. Obara, and M. Suzuki
Fabrication of titanium oxide thin films by controlled growth with sequential surface chemical reactions
Thin Solid Films
263, 47-53
1995/07


175 H. Kumagai, M. Matsumoto, Y. Kawamura, K. Toyoda and M. Obara
Fabrication of multilayers by controlled growth with sequential surface chemical reactions
Jpn. J. Appl. Phys.
33/ 12B, 7086-7089
1994/12


176 H. Kumagai and K. Toyoda
In situ ellipsometric diagnostics for controlled growth of metal oxides with surface chemical reactions
Appl. Surf. Sci.
82/83, 481-486
1994/12


177 H. Kumagai, K. Midorikawa, K. Toyoda, S. Nakamura, T. Okamoto and M. Obara
Ablation of polymer films by a femtosecond high-peak-power Ti:sapphire laser at 798 nm
Appl. Phys. Lett.
65/ 14, 1850-1852
1994/10


178 H. Kumagai and K. Toyoda
In-situ observation for atomic layer deposition of metal oxides by a spectroscopic ellipsometer
Laser Science Progress Report of RIKEN
16, 56-58
1994/09


179 M. Matsumoto, H. Kumagai, K. Toyoda, M. Obara
Fabrication of optical crystalline thin films of zinc oxide by controlled growth with surface chemical reactions
Laser Science Progress Report of RIKEN
16, 65-67
1994/09


180 H. Kumagai, M. Matsumoto, K. Toyoda, and M. Obara
Fabrication of multilayers by atomic layer deposition
Laser Science Progress Report of RIKEN
16, 59-61
1994/09


181 Y. Kawamura, H. Kumagai, and K. Toyoda
Analysis of structure of amorphous multilayer thin films using an x-ray diffractometer
Laser Science Progress Report of RIKEN
16, 62-64
1994/09


182 H. Kumagai, M. Matsumoto, K. Toyoda and M. Obara
Comparative Study of Al2O3 Optical Crystalline Thin Films Grown by Vapor Combinations of Al(CH3)3/N2O and Al(CH3)3/H2O2
Proc. of the 1993 International MicroProcess Conference
6137-6140
1994/07


183 M. Ezaki, H. Kumagai, K. Toyoda and M. Obara
Surface modification of semiconductors by laser-induced surface electromagnetic wave etching
Proc. SPIE
2125, 344-354
1994/07


184 H. Kumagai
Development of a new vacuum ultraviolet F2 lamp excited by microwave discharge
RIKEN Review
1, 29-30
1993/12


185 H. Kumagai, K. Toyoda, M. Matsumoto, and M. Obara
Comparative Study of Al2O3 Optical Crystalline Thin Films Grown by Vapor Combinations of Al(CH3)3 / N2O and Al(CH3)3/H2O2
Jpn. J. Appl. Phys.
32/ 12B, 6137-6140
1993/12


186 T. Okamoto, S. Nakamura, K. Midorikawa, H. Kumagai, M. Obara, and K. Toyoda
Ablation of polytetrafluoroethylene film with an ultrashort, high-power Ti:Al2O3 laser
Laser Science Progress Report of RIKEN
15, 55-57
1993/09


187 M. Ezaki, H. Kumagai, K. Toyoda, and M. Obara
Microfabrication of semiconductors by a noble etching method using induced surface electromagnetc waves
Laser Science Progress Report of RIKEN
15, 65-68
1993/09


188 M. Matsumoto, H. Kumagai, K. Toyoda, M. Obara
Fabrication study of optical crystalline thin films of Al2O3
Laser Science Progress Report of RIKEN
15, 69-71
1993/09


189 H. Kumagai, M. Ezaki, K. Toyoda, and M. Obara
Spatial Controllability of Periodic Ripple Structures Generated in Laser Etching of n-GaAs
Proc. of the 1992 International MicroProcess Conference
4433-4436
1993/07


190 H. Kumagai and K. Toyoda
Laser-Induced Surface Eelectromagnetc Wave Etching
J. High Temp. Soc.
19/ 6
1993/06


191 K. Toyoda, H. Kumagai, M. Ezaki and M. Obara
Controlling of Microstructure Generation by Direct Holographic Etching of Semiconductor Substrates
Proc. Mat. Res. Soc. Symp.
285, 237-241
1993/03


192 M. Ezaki, H. Kumagai, K. Toyoda, and M. Obara
Laser Wavelength Dependence of Semiconductor Dot Structures Fabricated in Laser Etching
Jpn. J. Appl. Phys.
32/ Part 1, 3A, 1308-1311
1993/03


193 H. Kumagai, M. Ezaki, K. Toyoda and M. Obara
Periodic Submicron Dot Structures of n-GaAs Substrates Fabricated by Laser-Induced Surface Electromagnetic Wave Etching
J. Appl. Phys.
73/ 4, 1971-1974
1993/02


194 K. Toyoda and H. Kumagai
Periodic Structure Fabrication by Surface Electromagnetic Wave Etching
Proc. 1st International Symp. on Laser and Optelectronics Technology & Applications
20-23
1993/01


195 H. Kumagai, M. Ezaki, K. Toyoda, and M. Obara
Spatial Controllability of Periodic Ripple Structures Generated in Laser Etching of n-GaAs
Jpn. J. Appl. Phys.
31/ 12B, 4433-4436
1992/12


196 M. Ezaki, H. Kumagai, K. Toyoda, and M. Obara
Laser wavelength dependence of dot structures on semiconductor substrates fabricated in laser etching
Laser Science Progress Report of RIKEN
14, 52-55
1992/09


197 H. Kumagai, H. Machida, K. Toyoda and S. Tanaka
Nonlinear growth of periodic ripple structures with different spatial periods in laser etching of GaAs
Proc. of the 1991 International MicroProcess Conference
3186-3189
1992/07


198 H. Kumagai, M. Ezaki, K. Toyoda, and M. Obara
Fabrication of Periodic Submicron Dot Structures of N-InP by Laser-Induced Surface Electromagnetic Wave Etching
Jpn. J. Appl. Phys.
31/ 7B, L928-L930
1992/07


199 H. Kumagai, M. Ezaki, K. Toyoda and M. Obara
Fabrication of Periodic Sub-Micrometer Dot Structures on Semiconductor Substrates by Laser-Induced Surface Electromagnetic Wave Etching
Proc. Laser Advanced Material Processing
1143-1146
1992/06


200 H. Kumagai and K. Toyoda
A New Vacuum Ultraviolet F2 Lamp and its Application
Proc. Second Japan-China Symposium on Lasers
18-19
1992/05


201 H. Kumagai, K. Toyoda, H. Machida and S. Tanaka
Exponential growth of periodic surface ripples generated in laser-induced etching of GaAs
Appl. Phys. Lett.
59/ 23, 2974-2976
1991/12


202 熊谷 寛, 陸 太進, 豊田浩一
新しい真空紫外F2ランプとその応用
レーザー研究
19/ 11, 1073-1081
1991/11


203 H. Kumagai, H. Machida, K. Toyoda and S. Tanaka
Nonlinear growth of periodic ripple structures with different spatial periods in laser etching of GaAs
Jpn. J. Appl. Phys.
30/ 11B, 3186-3189
1991/11


204 H. Kumagai and K. Toyoda
Properties of a new high-efficiency vacuum ultraviolet fluorine lamp excited by microwave discharge
Appl. Phys. Lett.
59/ 22, 2811-2813
1991/11


205 H. Kumagai, K. Toyoda, H. Machida, and S. Tanaka
Exponential growth of periodic surface ripples generated in laser-etching of GaAs
Laser Science Progress Report of RIKEN
13, 134-136
1991/09


206 H. Kumagai and K. Toyoda
Development of a new vacuum ultraviolet F2 lamp
Laser Science Progress Report of RIKEN
13, 137-139
1991/09


207 熊谷寛、中村一郎、畠山俊郎、小原 實
マイクロ波放電励起KrFエキシマランプの理論解析
電気学会論文誌 C
111/ 3, 129-135
1991/03


208 熊谷 寛、小原 實
マイクロ波放電励起エキシマランプ
レーザー研究
18/ 7, 456-473
1990/07


209 H. Kumagai and M. Obara
New high-efficiency quasi-continuous operation of an ArF(B→X) excimer lamp excited by microwave discharge
Appl. Phys. Lett.
55, 1583-1584
1989/12


210 H. Kumagai and M. Obara
A high-efficiency high-repetition-rate KrF(B→X) excimer lamp excited by microwave discharge
Jpn. J. Appl. Phys.
28, L2228-L2231
1989/12


211 H. Kumagai and M. Obara
Output energy enhancement of discharge pumped XeF(B→X) lasers with two component halogen donor mixtures
IEEE J. Quantum Electron.
25, 1874 - 1878
1989/08


212 H. Kumagai and M. Obara
New high-efficiency quasi-continuous operation of a KrF(B→X) excimer lamp excited by microwave discharge
Appl. Phys. Lett.
54, 2619-2621
1989/01


213 (5) H. Kumagai and M. Obara
Theoretical and experimental study of KrF fluorescence in a multimicrosecond longitudinal discharge
IEEE Trans. on Plasma Science
16, 453-458
1988/08


214 A. Suda, H. Kumagai, S. Izawa, and M. Obara
Comparative study of low-pressure rare gas-fluoride/chloride lasers excited by a short-pulse electron beam
J. Appl. Phys.
64, 1720-1725
1988/08


215 N. Nishida, F. K. Tittel, H. Kumagai, Y. W. Lee, and M. Obara
Intrinsic efficiency comparison in various low-pressure XeF laser mixtures pumped at high excitation rates and with short-pulse electron beam pumping
Appl. Phys. Lett.
52, 1847-1849
1988/05


216 Y.-W. Lee, H. Kumagai, S. Ashidate, and M. Obara
High-efficiency extraction study of an electron beam pumped ArF laser amplifier with an atmospheric-pressure Ar-rich mixture
Appl. Phys. Lett.
52, 1294-1296
1988/04


217 A. Suda, H. Kumagai, and M. Obara
Characteristics of an electron beam pumped KrF laser amplifier with an atmospheric-pressure Kr-rich mixture in a strongly saturated region
Appl. Phys. Lett.
51, 218-220
1987/07


218 A. Suda, H. Kumagai, Y. Kodaira, M. Obara, and A. Noguchi
A comparison of e-beam excited ArF and KrF lasers for laser fusion driver
Proc. of the 6th International Conference on High-Power Particle Beams
655-658
1986/06




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