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Proceedings Paper

Laser beam quality factor M2 and its measurement
Author(s): Yanxiong Niu; Yuefeng Wang; Xin Liu; Chu Zhang; Shoushen Zhu
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Paper Abstract

The factor M2 is a new parameter to describe the laser beam quality, it can characterize the propagation of the fundamental and higher-order mode beam quantitatively. An automatic measurement system has been developed which is capable of measuring the laser beam quality factor M2. In the paper, the concept and the measurements of the factor M2 are mentioned, the measurement results and tolerance limits are given.

Paper Details

Date Published: 15 August 1998
PDF: 5 pages
Proc. SPIE 3550, Laser Processing of Materials and Industrial Applications II, (15 August 1998); doi: 10.1117/12.317915
Show Author Affiliations
Yanxiong Niu, Shijiazhuang Mechanical Engineering College (China)
Yuefeng Wang, Shijiazhuang Mechanical Engineering College (China)
Xin Liu, Shijiazhuang Mechanical Engineering College (China)
Chu Zhang, Shijiazhuang Mechanical Engineering College (China)
Shoushen Zhu, Ordnance Engineering School (China)


Published in SPIE Proceedings Vol. 3550:
Laser Processing of Materials and Industrial Applications II
ShuShen Deng; S. C. Wang, Editor(s)

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