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Proceedings Paper

Thermally induced birefringence compensation in double-pulse Q-switched laser
Author(s): Xuejun Wang; Zhongjian Li
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Paper Abstract

Double-pulse laser experimental results of generating approximately 100 ns temporal delay between the pulses with polarization beam combining by two sets of flashlamp pumped electrooptical Q-switched laser is reported for the first time. The interval of co-aligned double-pulse laser can be turned freely from 0 to several hundred nanoseconds. The maximal relative timing jitter of double-pulse laser is less than 5 ns. The laser beam control is another difficult issue in developing double pulse laser. Two 1/4 λ waveplates are inserted in the double pulse laser, and the thermal induced birefringence can be effectively compensated, and the Q-switched laser pulse energy can be increased by 26 percent. The repetition rate of double-pulse laser is 40 Hz, and output energy per double-pulse is more than 400 mJ.

Paper Details

Date Published: 22 August 2011
PDF: 6 pages
Proc. SPIE 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging, 81923A (22 August 2011); doi: 10.1117/12.900848
Show Author Affiliations
Xuejun Wang, Beijing Aeronautical Manufacturing Technology Research Institute (China)
Zhongjian Li, Beijing Aeronautical Manufacturing Technology Research Institute (China)


Published in SPIE Proceedings Vol. 8192:
International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging
Farzin Amzajerdian; Weibiao Chen; Chunqing Gao; Tianyu Xie, Editor(s)

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