15 August 1998 Two kinds of new beam lasers
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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.
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Shaomin Wang, Shaomin Wang, Jingmin Zhu, Jingmin Zhu, Xuanhui Lu, Xuanhui Lu, Qiang Lin, Qiang Lin, Daomu Zhao, Daomu Zhao, } "Two kinds of new beam lasers", Proc. SPIE 3550, Laser Processing of Materials and Industrial Applications II, (15 August 1998); doi: 10.1117/12.317929; https://doi.org/10.1117/12.317929
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