Calibrated precision of ultra-long focal length measurement utilizing Talbot effect and Moiré technique

Qi Zhao; Shaoyun Hu; Hongyin Fan

doi:10.1117/12.900308

19 August 2011 Calibrated precision of ultra-long focal length measurement utilizing Talbot effect and Moiré technique

Qi Zhao, Shaoyun Hu, Hongyin Fan

Proceedings Volume 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging; 819220 (2011) https://doi.org/10.1117/12.900308
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

A complete set of ultra-long focal length measurement system based on the principle of Talbot effect and moiré fringe technology has been developed. The numerical simulation is coded taking advantage of matlab. The errors deduced by errors of parameters of ultra-long focal length measurement is studied. And the focal length variance and fluctuation deduced by turbulence and wavefront of incident laser beam is studied.

Citation Download Citation

Qi Zhao, Shaoyun Hu, and Hongyin Fan "Calibrated precision of ultra-long focal length measurement utilizing Talbot effect and Moiré technique", Proc. SPIE 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging, 819220 (19 August 2011); https://doi.org/10.1117/12.900308

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