Vectorial nonparaxial cosh-Gaussian beams

gao zeng-hui; l bai-da

Volume 17 Issue 10

Oct. 2005

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Article Navigation > High Power Laser and Particle Beams > 2005 > 17(10): 0-

sun feng, yu wen feng, cheng zu hai, et al. Deflection of phase change cooled mirror induced by irregular facula[J]. High Power Laser and Particle Beams, 2003, 15.

Citation:

gao zeng-hui, l bai-da. Vectorial nonparaxial cosh-Gaussian beams[J]. High Power Laser and Particle Beams, 2005, 17.

sun feng, yu wen feng, cheng zu hai, et al. Deflection of phase change cooled mirror induced by irregular facula[J]. High Power Laser and Particle Beams, 2003, 15.

Citation:

gao zeng-hui, l bai-da. Vectorial nonparaxial cosh-Gaussian beams[J]. High Power Laser and Particle Beams, 2005, 17.

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Vectorial nonparaxial cosh-Gaussian beams

gao zeng-hui^1,2,
l bai-da²

1.
Institute of Optoelectronic Information,Yibin University,Yibin 644007,China;
2.
Institute of Laser Physics and Chemistry,Sichuan University,Chengdu 610064,China

Publish Date: 2005-10-15

Abstract

Abstract

The concept of vectorial nonparaxial cosh-Gaussian (ChG) beams is introduced and their free-space propagation equation is derived analytically by using the vectorial Rayleigh-Sommerfeld diffraction integrals. The on-axis and far-field expressions of vectorial nonparaxial ChG beams and the paraxial results are given as special cases of the general propagation equation. It is found that for vectorial nonparaxial ChG beams, the f parameter mainly determines their nonparaxiality, but the decentered parameter affects their transversal intensity profile and nonparaxial behavior.
- laser optics,
- vectorial nonparaxial cosh-gaussian (chg) beams,
- free-space propagation,
- f parameter,
- decentered parameter

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