Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Masaki Takama"'
Autor:
S. Yamagata, Masatoshi Nishio, Sakae Kawato, Shinichi Matsubara, A. Maruko, T. Yoshida, H. Okunishi, K. Kato, M. Morioka, K. Kyomoto, K. Shimabayashi, M. Tanaka, Masaki Takama, S. Inayoshi
Publikováno v:
SPIE Proceedings.
High-average-power, high-repetition-rates picosecond-pulsed regenerative ytterbium-doped yttrium aluminum garnet (Yb:YAG) laser amplifiers were developed. The architecture used in the amplifiers, which are named as thin-rod, has a unique cooling sche
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef086957b2070cde44d120413bea273d
https://doi.org/10.1117/12.2073664
https://doi.org/10.1117/12.2073664
Autor:
K. Kato, S. Yamagata, Shinichi Matsubara, H. Okunishi, K. Shimabayashi, M. Morioka, Sakae Kawato, Masatoshi Nishio, S. Inayoshi, A. Maruko, Masahiro Inoue, K. Kyomoto, T. Yoshida, Masaki Takama
Publikováno v:
SPIE Proceedings.
High-efficiency cavity-dumped ytterbium-doped yttrium aluminum garnet (Yb:YAG) laser was developed. Although the high quantum efficiency of ytterbium-doped laser materials is appropriate for high-efficiency laser oscillation, the efficiency is decrea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f4652abc010eae183ebe60f65a762fa
https://doi.org/10.1117/12.2073668
https://doi.org/10.1117/12.2073668
Autor:
Shinichi Matsubara, Tatsuya Yamaguchi, Hiroyuki Hitotsuya, Yuzo Ishida, Kensuke Hirata, Masahiro Inoue, Masaki Takama, Sakae Kawato
Publikováno v:
Advanced Photonics & Renewable Energy.
Exceeding the fluorescence spectrum limit of the laser gain material, broadband ultrashort pulse generation was obtained directly from mode-locked solid state laser oscillator with intracavity nonlinear medium.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0b88a6ecaebfd532256710021bfcb74
https://doi.org/10.1364/np.2010.nme57
https://doi.org/10.1364/np.2010.nme57
Autor:
Kensuke Hirata, Hiroyuki Hitotsuya, Shinichi Matsubara, Tatsuya Yamaguchi, Masaki Takama, Sakae Kawato, Yuzo Ishida, Masahiro Inoue
Publikováno v:
Conference on Lasers and Electro-Optics 2010.
Ultrashort pulse oscillation of 65-fs was obtained directly from a laser-diode pumped Kerr-lens mode-locked Yb∶YAG laser with an intracavity nonlinear medium. The pulse-width is shorter than the fourier transform limit by the fluorescence of Yb∶Y
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fec5cf2b963a459831d3ffec776622c
https://doi.org/10.1364/cleo.2010.ctuv2
https://doi.org/10.1364/cleo.2010.ctuv2
Autor:
Shinya Okuda, Yuzo Ishida, Masahiro Inoue, Shinichi Matsubara, Sakae Kawato, Hiroyuki Hitotsuya, Masaki Takama, Mami Odahara
Publikováno v:
Conference on Lasers and Electro-Optics/International Quantum Electronics Conference.
Efficient broadband spectrum oscillation was obtained directly from a laser-diode-pumped Kerr-lens mode-locked Yb:YAG laser with intracavity nonlinear media. The spectrum was expanded to around 1040 nm to 1070 nm. The spectrum is much broader than th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e0fdd85666f8140bb574f0b731b1b60
https://doi.org/10.1364/cleo.2009.cfo7
https://doi.org/10.1364/cleo.2009.cfo7
Autor:
Makoto Aoyama, Koichi Yamakawa, Shinya Okuda, Takao Kobayashi, M. Tanaka, Shinichi Matsubara, Masaki Takama, Sakae Kawato
Publikováno v:
Advanced Solid-State Photonics.
Regenerative-spectral-and-pulse shaping of chirped-pulse thin-rod Yb:YAG amplifier has yielded an average-output-power of 18 W at 100-kHz PRF with an output-pulse-width of below 1.2 ps. An amplifiied bandwidth of 2.5 nm was also observed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a8bc0b13331f38ea5404b976b376a5f
https://doi.org/10.1364/assp.2009.tub30
https://doi.org/10.1364/assp.2009.tub30
Publikováno v:
2008 Conference on Lasers and Electro-Optics.
A LD-pumped, thin-rod Yb:YAG regenerative chirped pulse amplifier was developed. An average output power of 20 W was obtained at a repetition rate of 100 kHz with an output pulse width of 2 ps.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::846edd4135f71daa2a3c7925714f8723
https://doi.org/10.1109/cleo.2008.4552196
https://doi.org/10.1109/cleo.2008.4552196
Publikováno v:
Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing.
110-fs and 72-fs pulse-widths were obtained directly from a low-brightness-laser-diode-pumped, mode-locked Yb:YAG laser with SESAM and without SESAM, respectively. The laser-spectrum-center and the fluorescence-center were almost same. The laser-spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88d6cbf4427afcb4eb4a42083d14a3c5
https://doi.org/10.1364/fio.2008.ftut1
https://doi.org/10.1364/fio.2008.ftut1
Autor:
Hiroyuki Hitotsuya, Shinichi Matsubara, Sakae Kawato, M. Tanaka, Takao Kobayashi, Masaki Takama
Publikováno v:
Laser Physics Letters. 10:055810
A high-average-power, laser-diode-pumped, picosecond-pulse regenerative amplifier was developed using the thin-rod Yb:YAG (yttrium aluminum garnet) laser architecture. This architecture has a complete set of favorable properties for the cost-effectiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bfc062f862c7cbdcb03bb108b564f83
https://doi.org/10.1088/1612-2011/10/5/055810
https://doi.org/10.1088/1612-2011/10/5/055810
Publikováno v:
2008 IEEE/LEOS ANNUAL MEETING. :ThS2-ThS2-2
One-hundred-ten-fs and 72-fs pulse-widths were obtained directly from a mode-locked Yb:YAG laser with SESAM and without SESAM, respectively. The laser-spectrum-center and the fluorescence-center were almost same. The oscillation-spectra were much bro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::754da65c2076aadafadef33e72a5aefd
http://hdl.handle.net/10098/6951
http://hdl.handle.net/10098/6951