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Proceedings Paper

Two kinds of new beam lasers
Author(s): Shaomin Wang; Jingmin Zhu; Xuanhui Lu; Qiang Lin; Daomu Zhao
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Paper Abstract

According to the more complete diffraction theory, a series of new beams was invented both outside and inside laser cavity by using (lambda) /2 phase plate. A new beam with equivalent beam quality factor Me2 less than 1 is achieved on ten-watt CO2 laser and on hundred-Watt and thousand-Watt CO2 laser with axial express flux. It may be named as the first kind of new beam laser. From the point of view of practical applications, we designed and produced a new structure of laser cavity whose output mirror was a special mirror with step reflectivity. We have realized 1000 W new beam on CO2 laser with transverse express flux, which is close to the fundamental mode. It may be named as the second kind new laser beam. Its structure is simpler than others, but it brings excellent results.

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: 10.1117/12.317929
Show Author Affiliations
Shaomin Wang, Hangzhou Univ. (China)
Jingmin Zhu, Hangzhou Univ. (China)
Xuanhui Lu, Hangzhou Univ. (China)
Qiang Lin, Hangzhou Univ. (China)
Daomu Zhao, Hangzhou Univ. (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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