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Theoretical and experimental research on laser-beam homogenization based on metal gauze
Author(s): Libao Liu; Shanshan Zhang; Ling Wang; Yanchao Zhang; Zhaoshuo Tian
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Paper Abstract

Method of homogenization of CO2 laser heating by means of metal gauze is researched theoretically and experimentally. Distribution of light-field of expanded beam passing through metal gauze was numerically calculated with diffractive optical theory and the conclusion is that method is effective, with comparing the results to the situation without metal gauze. Experimentally, using the 30W DC discharge laser as source and enlarging beam by concave lens, with and without metal gauze, beam intensity distributions in thermal paper were compared, meanwhile the experiments based on thermal imager were performed. The experimental result was compatible with theoretical calculation, and all these show that the homogeneity of CO2 laser heating could be enhanced by metal gauze.

Paper Details

Date Published: 5 March 2018
PDF: 6 pages
Proc. SPIE 10710, Young Scientists Forum 2017, 107104H (5 March 2018); doi: 10.1117/12.2317806
Show Author Affiliations
Libao Liu, Harbin Institute of Technology in Weihai (China)
Shanshan Zhang, Shandong Institute of Shipbuilding Technology (China)
Ling Wang, Harbin Institute of Technology in Weihai (China)
Yanchao Zhang, Harbin Institute of Technology in Weihai (China)
Zhaoshuo Tian, Harbin Institute of Technology in Weihai (China)

Published in SPIE Proceedings Vol. 10710:
Young Scientists Forum 2017
Songlin Zhuang; Junhao Chu; Jian-Wei Pan, Editor(s)

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