Study on the new manufacturing and testing technologies of Free-form surface optics

Wei Wang; Fansheng Chen

doi:10.1117/12.975177

15 October 2012 Study on the new manufacturing and testing technologies of Free-form surface optics

Wei Wang, Fansheng Chen

Proceedings Volume 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 84171K (2012) https://doi.org/10.1117/12.975177
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

Free-form surface optic is one of the most advanced technologies in the field of optical engineering. Free–form surfaces have smaller off-axis aberration over traditional symmetrical lenses, but are much more difficult to fabricate and evaluate. The ultra-precision machining technique is elaborated from the perspective of optical elements’ processing and testing methodology. In addition, several promising testing methods, computer generated hologram and reflection grating photo-grammetry, introduced. Finally, strengths and weaknesses of the two methods are summarized.

Citation Download Citation

Wei Wang and Fansheng Chen "Study on the new manufacturing and testing technologies of Free-form surface optics", Proc. SPIE 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 84171K (15 October 2012); https://doi.org/10.1117/12.975177

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