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Proceedings Paper

Laser superposition in multi-pass amplification process
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Paper Abstract

Physical model was established to describe the pulse superposition in multi-pass amplification process when the pulse reflected from the cavity mirror and the front and the end of the pulse encountered. Theoretical analysis indicates that pulse superposition will consume more inversion population than that consumed without superposition. The standing wave field will be formed when the front and the end of the pulse is coherent overlapped. The inversion population density is spatial hole-burning by the standing wave field. The pulse gain and pulse are affected by superposition. Based on this physical model, three conditions, without superposition, coherent superposition and incoherent superposition were compared. This study will give instructions for high power solid laser design.

Paper Details

Date Published: 3 February 2015
PDF: 5 pages
Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92551G (3 February 2015); doi: 10.1117/12.2064510
Show Author Affiliations
Ying Zhang, China Academy of Engineering Physics (China)
Lan-Qin Liu, China Academy of Engineering Physics (China)
Wen-Yi Wang, China Academy of Engineering Physics (China)
Wan-Qing Huang, China Academy of Engineering Physics (China)
Yuan-Chao Geng, China Academy of Engineering Physics (China)


Published in SPIE Proceedings Vol. 9255:
XX International Symposium on High-Power Laser Systems and Applications 2014
Chun Tang; Shu Chen; Xiaolin Tang, Editor(s)

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