A quantitative method of Foucault test and its instrument realization in optical testing

Xiang Hua; Jianqiang Zhu; Xiang Jiao

doi:10.1117/12.2597943

6 June 2021 A quantitative method of Foucault test and its instrument realization in optical testing

Xiang Hua, Jianqiang Zhu, Xiang Jiao

Proceedings Volume 11849, Fourth International Symposium on High Power Laser Science and Engineering (HPLSE 2021); 1184908 (2021) https://doi.org/10.1117/12.2597943
Event: Fourth International Symposium on High Power Laser Science and Engineering (HPLSE 2021), 2021, Suzhou, China

Abstract

In this paper, we present a quantitative mathematical model of Foucault test that we have developed which mainly use the method of light trace-out, and show how this model works with an X-Y axis automation module and digital grams processing to aid quantitative optical mirror testing. We also present our verification work through building up a new Foucault test instrument system and show the testing result about a finishing product-a small diameter sphere mirror. Additionally, we verify the method by simulation work and counterpart testing result of interferometer. Through the work, we want to develop an easy-to-conduct method of efficiency optical surface wavefront errors testing which use limited optical images with location information to solve the target image and a much cheaper quantified optical-testing-instrument solution than traditional and general method of laser interferometry instrument.

Citation Download Citation

Xiang Hua, Jianqiang Zhu, and Xiang Jiao "A quantitative method of Foucault test and its instrument realization in optical testing", Proc. SPIE 11849, Fourth International Symposium on High Power Laser Science and Engineering (HPLSE 2021), 1184908 (6 June 2021); https://doi.org/10.1117/12.2597943

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