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Proceedings Paper

Investigation of the beam quality improvement of high-average-power solid state lasers
Author(s): Chang Ming Zhao; Guang Hui Wei; Fathi Elmansuri
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Paper Abstract

First, the factors that degrade the beam quality of high average power Nd:YAG lasers are analyzed. Especially the optical asymmetry of Nd:YAG rod under high power pumping is experimentally verified. A novel resonator--the four mirrors resonator is introduced, which has two mechanisms of beam quality improvement: the image-rotating and interference filtering. Experimental results show obviously the effect of beam quality improvement of the new resonator compared with its equivalent plane-parallel resonator under the same pumping power.

Paper Details

Date Published: 30 September 1996
PDF: 5 pages
Proc. SPIE 2889, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers, (30 September 1996); doi: 10.1117/12.253301
Show Author Affiliations
Chang Ming Zhao, Beijing Institute of Technology (China)
Guang Hui Wei, Beijing Institute of Technology (China)
Fathi Elmansuri, Post Graduate Ctr. for Electro-optics (Libya)

Published in SPIE Proceedings Vol. 2889:
High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers
Sui-Sheng Mei; Keith A. Truesdell, Editor(s)

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