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Proceedings Paper

Investigation on coaxial double-pass main amplifier in high-power laser fusion driver
Author(s): Yuxia Zheng; Jian Zhu; Liejia Qian; Dianyuan Fan; Ximing Deng
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Paper Abstract

We have constructed coaxial double-pass amplifiers with individual beamlet aperture of 20 cm in a 2 X 2 array architecture. Each element contains six phosphate glass disks. The amplifier consists of two pairs of disk amplifiers, each six deep, that share a common central flash-lamp array. The central array is expected to be more efficient for the pumping of disks, thereby raising the amplifier storage efficiency. A particular coaxial double- pass amplification optical scheme was designed. The input and output beam are performed by spatial filter. Technique advantage is avoidance of large aperture electric optical switch. In this paper we theoretically calculate population inversion variation in multipass amplification and the gain of multipass amplification. The experimental results are in agreement with the theoretical calculation.

Paper Details

Date Published: 30 September 1996
PDF: 10 pages
Proc. SPIE 2889, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers, (30 September 1996); doi: 10.1117/12.253309
Show Author Affiliations
Yuxia Zheng, Shanghai Institute of Optics and Fine Mechanics (China)
Jian Zhu, Shanghai Institute of Optics and Fine Mechanics (China)
Liejia Qian, Shanghai Institute of Optics and Fine Mechanics (China)
Dianyuan Fan, Shanghai Institute of Optics and Fine Mechanics (China)
Ximing Deng, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 2889:
High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers
Sui-Sheng Mei; Keith A. Truesdell, Editor(s)

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