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Search Results: Records 1-7 displayed on this page of 7
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Journal Articles

The Spectrum and laser properties of ytterbium doped phosphate glass at low temperature

Dai, S.*; Sugiyama, Akira; Hu, L.*; Liu, Z.*; Huang, G.*; Jiang, Z.*

Journal of Non-Crystalline Solids, 311(2), p.138 - 144, 2002/11

https://doi.org/10.1016/S0022-3093(02)01365-0

Low-temperature absorption and fluorescence spectra of the Yb3+ ions were measured in phosphate glass with compositions of (60-65)P$$_{2}$$O$$_{5}$$-(4-8)B$$_{2}$$O$$_{3}$$-(5-10)Al$$_{2}$$O$$_{3}$$-(10-15)K$$_{2}$$O-(5-10)BaO-(0-2)La$$_{2}$$O$$_{3}$$-(0-2)Nb$$_{2}$$O$$_{5}$$-(4-87)Yb$$_{2}$$O$$_{3}$$ in mol-%. Temperature dependence of lifetime from $$^{2}$$F$$_{5/2}$$ upper level of YB$$^{3+}$$ was investigated with a cryostat. The glass laser performance pumped by 940 nm laser diode was measured at different temperature range. At 8 K, glass laser oscillation had a slope efficiency of 4% and a maximum power of 2 mW at the peak laser wavelength of 1001 nm.

JAEA Reports

High efficiency, High energy second-harmonic generation of Nd:glass laser radiation in large aperture CsLiB$$_{6}$$O$$_{10}$$ crystals

Kiriyama, Hiromitsu; Inoue, Norihiro*; Yamakawa, Koichi

JAERI-Research 2002-020, 13 Pages, 2002/09

JAERI-Research-2002-020.pdf:1.14MB

no abstracts in English

Journal Articles

Study of a new ytterbium doped phosphate laser glass

Dai, S.*; Hu, L.*; Sugiyama, Akira; Izawa, Yasukazu*; Liu, Z.*; Jiang, Z.*

Chinese Science Bulletin, 47(3), p.255 - 259, 2002/02

https://doi.org/10.1360/02tb9062
 Times Cited Count：7 Percentile：51.71(Multidisciplinary Sciences)

A new type of ytterbium doped phosphate laser glass has been produced and studied about physical and optical properties such as thermo-mechanical properties, nonlinear properties, crystalline phase, micro defects and spectroscopic properties. In the glass forming process, newly developed OH removing technology was adopted. From the reduction of OH concentration in the glass, upper state fluorescence lifetime reached 2.2 ms. Additionally, the glass shows remarkable athermal property of 0.42$$times$$10E$$^{-6}$$/K, which is around one-tenth of QX/Yb glass.

Journal Articles

25-J green-beam generation with large aperture CsLiB$$_{6}$$O$$_{10}$$ crystals

Kiriyama, Hiromitsu; Inoue, Norihiro*; Yagi, Kenichi*; Nagai, Toru*; Aoyama, Makoto; Yamakawa, Koichi

Proceedings of Conference on Lasers and Electro-Optics / Quantum Electronics and Laser Science Conference (CLEO/QELS 2002), p.CPDC6_1 - CPDC6_3, 2002/00

no abstracts in English

Journal Articles

Ytterbium:glass CPA regenerative amplifier pumped by a free-running Ti:sapphire laser

Biswal, S.*; F.Druon*; Nees, J.*; G.Mourou*; Nishimura, Akihiko

Conf. on Lasers and Electro-Optics, 11, p.319 - 320, 1997/05

no abstracts in English

Journal Articles

Chirped pulse amplification in a ytterbium:glass regenerative amplifier

Biswal, S.*; F.Druon*; Nishimura, Akihiko; Nees, J.*; G.Mourou*

Technical Digests on CLEO/Pacific Rim'97, P. 15, 1997/00

no abstracts in English

Journal Articles

The Future of CPA

Nees, J.*; G.Mourou*; Biswal, S.*; J.Itatani*; A.C.Tien*; J.C.Chanteloup*; Nishimura, Akihiko; *

Ultrafast Optics 1997, 4 Pages, 1997/00

no abstracts in English

7 (Records 1-7 displayed on this page)
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