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Proceedings Paper

Design and fabrication of transmission gratings with high diffraction efficiency for pulse compression
Author(s): Chaoming Li; Xinrong Chen; Lin Li; Xiaoyang Li; Hang Zha; Jian Yu; Zuyuan Hu; Wenlong Zou; Jianhong Wu; Zenghu Chang
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Paper Abstract

Fused silica transmission grating plays an important role in the ultra-short laser pulse compression system. Fused silica transmission grating have the advantages of high diffraction efficiency, high damage threshold, long life and no shelter. The design and fabrication of pulse compression grating are investigated theoretically and experimentally in this paper. Rigorous coupled wave theory is used for design transmission grating with trapezoidal structure. The trapezoidal structure has better diffraction efficiency than that of the rectangular structure. The deep-etched fused silica transmission grating (1250lp/mm) is fabricated by holographic recording and ion beam etching. The aperture of transmission grating is Φ65mm, and its thickness is 1mm.The absolute -1st diffraction efficiency is about to 98%(@808nm). Experimental results are coincident with the theoretical analysis.

Paper Details

Date Published: 9 November 2016
PDF: 6 pages
Proc. SPIE 10016, High-Power Lasers and Applications VIII, 100161D (9 November 2016); doi: 10.1117/12.2244872
Show Author Affiliations
Chaoming Li, Soochow Univ. (China)
Xinrong Chen, Soochow Univ. (China)
Lin Li, Soochow Univ. (China)
Xiaoyang Li, Soochow Univ. (China)
Hang Zha, Soochow Univ. (China)
Jian Yu, Soochow Univ. (China)
Zuyuan Hu, Soochow Univ. (China)
Wenlong Zou, Soochow Univ. (China)
Jianhong Wu, Soochow Univ. (China)
Zenghu Chang, CREOL, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 10016:
High-Power Lasers and Applications VIII
Ruxin Li; Upendra N. Singh; Robert F. Walter, Editor(s)

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