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Proceedings Paper

Optical fiber coupling of high-energy density pulsed lasers for laser ignition
Author(s): Wenzhi Qin; Yuan Gao; Duo Tang; Xiangbo Ji; Yong Li; Zhihang Wang; Liang Wang
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Paper Abstract

In order to improve coupling efficiency and maximal laser transmission energy density, lasers with Gaussian distribution and flat-top distribution were utilized to couple to optical fibers with different surface roughness. The coupling efficiency and damage threshold of the fibers were studied. The experiment results showed that for Gaussian distribution laser beam, optical fibers with higher degree of smoothness would get better coupling efficiency, but would suffer more damage inside the fiber. But for flat-top distribution laser beam, optical fibers with higher degree of smoothness would get both higher coupling energy and efficiency.

Paper Details

Date Published: 29 March 2019
PDF: 6 pages
Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 110461X (29 March 2019); doi: 10.1117/12.2523334
Show Author Affiliations
Wenzhi Qin, Institute of Chemical Materials (China)
Yuan Gao, Institute of Chemical Materials (China)
Duo Tang, Institute of Chemical Materials (China)
Xiangbo Ji, Institute of Chemical Materials (China)
Yong Li, Institute of Chemical Materials (China)
Zhihang Wang, Institute of Chemical Materials (China)
Liang Wang, Institute of Chemical Materials (China)


Published in SPIE Proceedings Vol. 11046:
Fifth International Symposium on Laser Interaction with Matter
YiJun Zhao, Editor(s)

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