Method of computer-aided precise alignment of unstable resonator

Wenjing Zhang; Wenguang Liu; Zejin Liu

doi:10.1117/12.782707

21 November 2007 Method of computer-aided precise alignment of unstable resonator

Wenjing Zhang, Wenguang Liu, Zejin Liu

Proceedings Volume 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 672309 (2007) https://doi.org/10.1117/12.782707
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

Automatic alignment of resonator is one of critical techniques in high-power laser technology. In this article, the method of computer-aided alignment of unstable resonator is presented. The relation between mirror misalignments and phase aberration coefficients of resonator is regarded as linear to some extent, especially under the condition of small misalignments. By solving a system of linear equations the data of each misalignment can be acquired. Factors that greatly influence the precision of calculation were also analyzed, and then some improvements are made in the calculation. The whole process is simulated numerically based on a typical resonator configuration. The numerical analysis shows that this method can be used to guide resonator's alignment effectively, and provide a new way of automatic alignment of laser resonator in practical use.

Citation Download Citation

Wenjing Zhang, Wenguang Liu, and Zejin Liu "Method of computer-aided precise alignment of unstable resonator", Proc. SPIE 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 672309 (21 November 2007); https://doi.org/10.1117/12.782707

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