Design of photonic-crystal pulse-compression grating for high-energy chirped laser

zhou kainan; zhu qihua; huang xiaojun; zeng xiaoming; wang xiao; zhao lei; zuo yanlei; jiang dongbin; huang zheng

Volume 23 Issue 09

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(09): 0-

sun zhihong, xia yanwen, liu hua, et al. Contrast ratio measurement of single shot picosecond pulse using third-order noncollinear autocorrelation technique[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

zhou kainan, zhu qihua, huang xiaojun, et al. Design of photonic-crystal pulse-compression grating for high-energy chirped laser[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhou kainan, zhu qihua, huang xiaojun, et al. Design of photonic-crystal pulse-compression grating for high-energy chirped laser[J]. High Power Laser and Particle Beams, 2011, 23.

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Design of photonic-crystal pulse-compression grating for high-energy chirped laser

1.
Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China

Publish Date: 2011-09-15

Abstract

Abstract

The low threshold of compression gratings determines the maximum output energy of high-energy PW laser systems. For the compressor in the Xingguang-Ⅲ facility which is under development, this paper designed a 2-D photonic-crystal grating of fused silica which utilizes photonic crystal technology and the grating’s micro-structure. The results show that the diffraction efficiency of the minus first order of the grating exceeds 92% for incident angle from 57° to 77° when the incident wavelength is 1 053 nm, and for wavelength from 1 040 nm to 1 090 nm when the incident angle is 71°. The grating meets the requirements of wide spectral range (50 nm) and wide range of angle of incidence (18°).
- photonic crystal,
- laser-induced damage threshold,
- compressor,
- grating,
- ultraintense laser

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