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Proceedings Paper

Laser-diode-pumped 10-J X 10-Hz Nd:glass slab laser system
Author(s): Tadashi Kanabe; Toshiyuki Kawashima; Hiroki Matsui; Yasumitsu Okada; Yasuo Kawada; Takeyoshi Eguchi; Ranganathan Kandasamy; Yoshinori Kato; Masahiro Terada; Masanobu Yamanaka; Masahiro Nakatsuka; Yasukazu Izawa; Sadao Nakai; Takeshi Kanzaki; Hirofumi Miyajima; Masahiro Miyamoto; Hirofumi Kan
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Paper Abstract

As a first step of a driver development for the inertial fusion energy, we are developing a diode-pumped zig-zag Nd:glass slab laser amplifier system which can generate an output of 10 J per pulse at 1053 nm in 10 Hz operation. The water-cooled zig-zag Nd:glass slab is pumped from both sides by 803-nm AlGaAs laser-diode (LD) module; each LD module has an emitting area of 420 mm X 10 mm and two LD modules generated in total 200 kW peak power with 2.5 kW/cm2 peak intensity at 10 Hz repetition rate. We have obtained in a preliminary experiment a 8.5 J output energy at 0.5 Hz with beam quality of 2 times diffraction limited far-field pattern.

Paper Details

Date Published: 3 April 2000
PDF: 8 pages
Proc. SPIE 3889, Advanced High-Power Lasers, (3 April 2000); doi: 10.1117/12.380880
Show Author Affiliations
Tadashi Kanabe, Osaka Univ. (Japan)
Toshiyuki Kawashima, Hamamatsu Photonics K.K. (Japan)
Hiroki Matsui, Osaka Univ. (Japan)
Yasumitsu Okada, Hamamatsu Photonics K.K. (Japan)
Yasuo Kawada, Osaka Univ. (Japan)
Takeyoshi Eguchi, Osaka Univ. (Japan)
Ranganathan Kandasamy, Osaka Univ. (Japan)
Yoshinori Kato, Osaka Univ. (Japan)
Masahiro Terada, Osaka Univ. (Japan)
Masanobu Yamanaka, Osaka Univ. (Japan)
Masahiro Nakatsuka, Osaka Univ. (Japan)
Yasukazu Izawa, Osaka Univ. (Japan)
Sadao Nakai, Osaka Univ. (Japan)
Takeshi Kanzaki, Hamamatsu Photonics K.K. (Japan)
Hirofumi Miyajima, Hamamatsu Photonics K.K. (Japan)
Masahiro Miyamoto, Hamamatsu Photonics K.K. (Japan)
Hirofumi Kan, Hamamatsu Photonics K.K. (Japan)


Published in SPIE Proceedings Vol. 3889:
Advanced High-Power Lasers
Marek Osinski; Howard T. Powell; Koichi Toyoda, Editor(s)

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