Laser-diode-pumped 10-J X 10-Hz Nd:glass slab laser system

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

doi:10.1117/12.380880

3 April 2000 Laser-diode-pumped 10-J X 10-Hz Nd:glass slab laser system

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

Author Affiliations +

Proceedings Volume 3889, Advanced High-Power Lasers; (2000) https://doi.org/10.1117/12.380880
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

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.

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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, and Hirofumi Kan "Laser-diode-pumped 10-J X 10-Hz Nd:glass slab laser system", Proc. SPIE 3889, Advanced High-Power Lasers, (3 April 2000); https://doi.org/10.1117/12.380880

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