Collection Of theses on high power laser and plasma physics, 2006, 4 (1): 60, Published Online: Jun. 4, 2007  

Research on the diffraction characteristics of phase modulated laser beams dispersed spectrally

Author Affiliations
1 中国科学院上海光学精密机械研究所高功率激光物理国家实验室,上海 201800
2 中国工程物理研究院上海激光等离子体研究所,上海 201800
Abstract
It is simulated numerically the transmission of beams phase modulated and spectrally dispersed by the unit for smoothing by spectral dispersion put in the laser driver for inertial confinement fusion. The results show that the diffraction spot of a spectrally dispersed beam becomes larger and its near-field uniformity is improved, while there exists area where the intensity is nearly even within the far-field spot. The effects of the main parameters of the electro-optic phase modulator and the grating in the unit on the diffraction characteristics of the beams are further discussed, and it is found that intensity modulation emerges in the far-field spot under some conditions.

Xiujuan Jiang, Shenlei Zhou, Zunqi Lin, Jian Zhu. Research on the diffraction characteristics of phase modulated laser beams dispersed spectrally[J]. Collection Of theses on high power laser and plasma physics, 2006, 4(1): 60.

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