Beam quality of annular lasers

Baida Lu; Xiaoling Ji; Shirong Luo

doi:10.1117/12.464146

30 April 2002 Beam quality of annular lasers

Baida Lu, Xiaoling Ji, Shirong Luo

Proceedings Volume 4644, Seventh International Conference on Laser and Laser-Information Technologies; (2002) https://doi.org/10.1117/12.464146
Event: Seventh International Conference on Laser and Laser Information Technologies, 2001, Vladimir, Suzdal, Russian Federation

Abstract

The power in the bucket (PIB) and (beta) -parameter are chosen as criteria for characterizing the laser beam quality in the far field, the beam quality of annular lasers with or without phase distributions is studied in detail. It is shown that the better focusability is achieved at the real focal plane, and a suitable choice of negative phase distributions may improve the beam quality.

Citation Download Citation

Baida Lu, Xiaoling Ji, and Shirong Luo "Beam quality of annular lasers", Proc. SPIE 4644, Seventh International Conference on Laser and Laser-Information Technologies, (30 April 2002); https://doi.org/10.1117/12.464146

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