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Proceedings Article

Development of thermally controlled HALNA DPSSL for inertial fusion energy

[+] Author Affiliations
Osamu Matsumoto, Ryo Yasuhara, Takashi Kurita, Tadashi Ikegawa, Takashi Sekine, Toshiyuki Kawashima

Osaka Univ. (Japan) and Hamamatsu Photonics K.K. (Japan)

Junji Kawanaka, Takayoshi Norimatsu, Noriaki Miyanaga, Yasukazu Izawa, Masahiro Nakatsuka

Osaka Univ. (Japan)

Masahiro Miyamoto, Hirofumi Kan

Hamamatsu Photonics K.K. (Japan)

Hiroyuki Furukawa, Shinji Motokoshi

Institute for Laser Technology (Japan)

Proc. SPIE 6101, Laser Beam Control and Applications, 61011Q (February 23, 2006); doi:10.1117/12.645644
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From Conference Volume 6101

  • Laser Beam Control and Applications
  • Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko; Adolf Giesen; Detlef Nickel; Steven J. Davis; Michael C. Heaven; J. Thomas Schriempf
  • San Jose, CA | January 21, 2006

abstract

We have been developing a high average-power laser system for science and industry applications that can generate an output of 20 J per pulse at 10-Hz operation. Water-cooled Nd:glass zig-zag slab is pumped with 803-nm AlGaAs laser-diode modules. To efficiently extract energy from the laser medium, the laser beam alternately passes through dual zig-zag slab amplifier modules. Twin LD modules equipped on each slab amplifier module pump the laser medium with a peak power density of 2.5 kW/cm2. In high power laser system, thermal load in the laser medium causes serious thermal effects. We arranged cladding glasses on the top and bottom of the laser slab to reduce thermal effects.

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Osamu Matsumoto ; Ryo Yasuhara ; Takashi Kurita ; Tadashi Ikegawa ; Takashi Sekine, et al.
"Development of thermally controlled HALNA DPSSL for inertial fusion energy", Proc. SPIE 6101, Laser Beam Control and Applications, 61011Q (February 23, 2006); doi:10.1117/12.645644; http://dx.doi.org/10.1117/12.645644


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