Phase stabilization of a wave-front dividing four-beam combined amplifier with stimulated Brillouin scattering phase conjugate mirrors

被引：25
作者：
Shin, Jae Sung [1 ]
Park, Sangwoo [1 ]
Kong, Hong Jin [1 ]
Yoon, Jin Woo [2 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea
[2] Gwangju Inst Sci & Technol, Adv Photon Res Inst, Kwangju 500712, South Korea
来源：
APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 13期
关键词：
laser mirrors; optical fibre amplifiers; solid lasers; stimulated Brillouin scattering; HIGH-REPETITION-RATE; LASER FUSION DRIVER; HIGH-POWER; ENERGY; PERFLUOROPOLYETHER;
D O I：
10.1063/1.3373629
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Beam combining method is a promising technique for achieving energy scaling of solid-state lasers. The key technique of the coherent beam combining is the phase control of the stimulated Brillouin scattering wave. In previous works, the amplitude dividing scheme has shown more effective phase control than the wave-front dividing scheme. A recent experiment demonstrated that the phase stabilization in the wave-front dividing scheme can be improved by reducing the beam pointing fluctuation. In this work, a phase stabilization experiment is performed with the wave-front dividing four-beam combined amplifier. The phases are stabilized within lambda/25 with an amplified gain of 5.25.
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页数：3
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