Spatial tracing simulation of laser field in the folded resonator with circular diaphragms

Dongxiong Ling; Junchang Li; Desheng Xu; Yunchang Fu

doi:10.1117/12.481832

5 September 2002 Spatial tracing simulation of laser field in the folded resonator with circular diaphragms

Dongxiong Ling, Junchang Li, Desheng Xu, Yunchang Fu

Author Affiliations +

Proceedings Volume 4914, High-Power Lasers and Applications II; (2002) https://doi.org/10.1117/12.481832
Event: Photonics Asia, 2002, Shanghai, China

Abstract

A general method to analyse an optical resonator is based on the equivalent resonator theory namely the equivalent confocal system theory, but it can not accurately calculate the field distributions ofthe steady-state modes. In this paper, according to the self-reproducing theory and the angular spectra theory for diffraction, the seven-folded stable resonator with circular diaphragms is numerically simulated, and by FFT (Fast Fourier Transform) laser mode-fields in the folded resonator are spatially traced to obtain the stable laser fields. The computed results indicate that the seven-folded resonator with circular diaphragms can easily obtain the fundamental mode, so it can output laser beams of good quality.

Citation Download Citation

Dongxiong Ling, Junchang Li, Desheng Xu, and Yunchang Fu "Spatial tracing simulation of laser field in the folded resonator with circular diaphragms", Proc. SPIE 4914, High-Power Lasers and Applications II, (5 September 2002); https://doi.org/10.1117/12.481832

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KEYWORDS

Resonators

Laser resonators

Reflectors

Output couplers

Laser applications

Optical simulations

Diffraction

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