Study on initiative vibration absorbing technology of optics in strong disturbed environment

Si-nan Jia; Mu-di Xiong; Xiao-jie Zou

doi:10.1117/12.783204

27 November 2007 Study on initiative vibration absorbing technology of optics in strong disturbed environment

Si-nan Jia, Mu-di Xiong, Xiao-jie Zou

Proceedings Volume 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 67231R (2007) https://doi.org/10.1117/12.783204
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

Strong disturbed environment is apt to cause irregular vibration, which seriously affects optical collimation. To improve the performance of laser beam, three-point dynamic vibration absorbing method is proposed, and laser beam initiative vibration absorbing system is designed. The maladjustment signal is detected by position sensitive device (PSD), three groups of PZT are driven to adjust optical element in real-time, so the performance of output-beam is improved. The coupling model of the system is presented. Multivariable adaptive closed-loop decoupling arithmetic is used to design three-input-three-output decoupling controller, so that high precision dynamic adjusting is realized. Experiments indicate that the system has good shock absorbing efficiency.

Citation Download Citation

Si-nan Jia, Mu-di Xiong, and Xiao-jie Zou "Study on initiative vibration absorbing technology of optics in strong disturbed environment", Proc. SPIE 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 67231R (27 November 2007); https://doi.org/10.1117/12.783204

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