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Optical Engineering

Broadband high-gain optical parametric chirped-pulse amplification near 780 nm with LBO-I near-degenerate near-collinear phase match
Author(s): Yuxin Leng; Chun Wang; B. Z. Zhao; Xiaoyan Liang; Zhengquan Zhang; W. Y. Wang; Yunhua Jiang; Li-Huang Lin; Ruxing Li; Z. Z. Xu
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Paper Abstract

Near-degenerative near-collinear phase-match geometry for broadband optical parametric chirped-pulse amplification (OPCPA) at ≈ 780 nm is calculated in comparison with nondegenerate noncollinear phase-match geometry. In an experiment on LBO-I near-degenerate near-collinear OPCPA, high gain with broad gain bandwidth (≈71 nm, FWHM) at ≈ 780 nm is achieved by using an ≈ 390-nm pumping pulse. The stretched broadband chirped signal pulse near 780 nm is amplified to ≈ 412 µJ with a pumping energy of ≈ 15 mJ, and the total gain is <3.7×106, which agrees well with the calculation. For a broadband (covering ≈ 100 nm) chirped signal pulse, the theoretical gain bandwidth has been attained experimentally for the first time.

Paper Details

Date Published: 1 July 2005
PDF: 5 pages
Opt. Eng. 44(7) 074201 doi: 10.1117/1.1947803
Published in: Optical Engineering Volume 44, Issue 7
Show Author Affiliations
Yuxin Leng, Shanghai Institute of Optics and Fine Mechanics (China)
Chun Wang, Shanghai Institute of Optics and Fine Mechanics (China)
B. Z. Zhao, Shanghai Institute of Optics and Fine Mechanics (China)
Xiaoyan Liang, Shanghai Institute of Optics and Fine Mechanics (China)
Zhengquan Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
W. Y. Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Yunhua Jiang, Shanghai Institute of Optics and Fine Mechanics (China)
Li-Huang Lin, Shanghai Institute of Optics and Fine Mechanics (China)
Ruxing Li, Shanghai Institute of Optics and Fine Mechanics (China)
Z. Z. Xu, Shanghai Institute of Optics and Fine Mechanics (China)


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