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

H.J. Kong, J.S. Shin, J.W. Yoon, D.H. Beak2009年被引用 11Nuclear FusionIF 3出版社

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.

日本語訳

誘導ブリルアン散乱位相共役鏡(SBS-PCM)を用いたビーム結合方式は、約10 Hzの高繰り返しで動作する商業用レーザー核融合ドライバーにとって有望な技術である。SBS波の位相制御は、結合出力におけるコヒーレントビームを実現するために不可欠である。このため、我々は誘導ブリルアン散乱波の「自己位相制御技術」を提案し、その原理は過去数年にわたり実験的に実証されてきた。本研究では、ビーム拡大を用いてレーザー光源のビームポインティング変動を低減することにより、波面分割型2ビームおよび4ビーム結合システムの位相安定化のための実験を行う。

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Laser fusionStimulated Brillouin scatteringBrillouin scattering
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