Wave-front dividing beam combined laser fusion driver using stimulated Brillouin scattering phase conjugation mirrors

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The beam combination method using stimulated Brillouin scattering phase conjugation mirrors (SBS-PCMs) is a promising technique for a commercial laser fusion driver operated with a high repetition rate around 10 Hz. The phase control of the SBS wave is essential for realization of the coherent beam combined output in the beam combination. For this reason, we proposed the 'self-phase control technique' of the stimulated Brillouin scattering wave, and its principle has been demonstrated experimentally over the past several years. In this work, the experiments are performed for the phase stabilization of wave-front dividing two-beam and four-beam combined systems by reducing the beam pointing fluctuation of the laser source using a beam expansion.
Publisher
INT ATOMIC ENERGY AGENCY
Issue Date
2009-12
Language
English
Article Type
Article
Keywords

ND-YAG LASER; ZIGZAG SLAB LASER; HIGH-POWER; ENERGY; COMBINATION; LOCKING; FIBER; AMPLIFIERS; DESIGN; SYSTEM

Citation

NUCLEAR FUSION, v.49, no.12

ISSN
0029-5515
DOI
10.1088/0029-5515/49/12/125002
URI
http://hdl.handle.net/10203/96726
Appears in Collection
PH-Journal Papers(저널논문)
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