Near-field optical properties of multilayer ridge metal/multilayer-dielectric gratings for pulse compressor

Heyuan Guana; Chenze Huang; Zhe Chen; Yunxia Jin; Kui Yi; Jianda Shao

doi:10.1117/12.2185796

14 July 2015 Near-field optical properties of multilayer ridge metal/multilayer-dielectric gratings for pulse compressor

Heyuan Guana, Chenze Huang, Zhe Chen, Yunxia Jin, Kui Yi, Jianda Shao

Author Affiliations +

Proceedings Volume 9532, Pacific Rim Laser Damage 2015: Optical Materials for High-Power Lasers; 95321R (2015) https://doi.org/10.1117/12.2185796
Event: Pacific Rim Laser Damage, 2015, Jiading, Shanghai, China

Abstract

The multilayer ridge metal/multilayer-dielectric gratings (MMDGs) for pulse compressors show high efficiency, broad bandwidths, large fabrication tolerances and high laser-induced damage thresholds. The diffraction efficiency, bandwidth, and near-field distribution of the multilayer structure ridge MMDG are theoretically investigated. Simulation results show that the film structure of the grating ridge has a great influence on the bandwidth and near-field distribution. The maximum electric field is located in the high-index layer of the grating ridge with high -1st diffraction efficiency. As the thickness of the high-index layer decreases, the maximum electric field moves to the low-index layer of the grating ridge with. Base on the results, the sandwich ridge MMDG is an ideal pulse compression grating for chirped pulse amplification systems.

Citation Download Citation

Heyuan Guana, Chenze Huang, Zhe Chen, Yunxia Jin, Kui Yi, and Jianda Shao "Near-field optical properties of multilayer ridge metal/multilayer-dielectric gratings for pulse compressor", Proc. SPIE 9532, Pacific Rim Laser Damage 2015: Optical Materials for High-Power Lasers, 95321R (14 July 2015); https://doi.org/10.1117/12.2185796

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