Aspheric surface testing with a liquid compensatory interferometer

Zhisheng Yun; Zhongben L. Liu; Yulin Li

doi:10.1117/1.601970

1 April 1998 Aspheric surface testing with a liquid compensatory interferometer

Zhisheng Yun, Zhongben L. Liu, Yulin Li

Optical Engineering, Vol. 37, Issue 4, (April 1998). https://doi.org/10.1117/1.601970

A simple method of testing deep aspheric surfaces is presented. The apparatus consists of a Twyman-Green interferometer and a liquid compensatory container. Two lenses, one with spherical surfaces and the other with a spherical surface and an aspheric surface, were tested by using this method. The device is very simple and easy to assemble.

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Zhisheng Yun, Zhongben L. Liu, and Yulin Li "Aspheric surface testing with a liquid compensatory interferometer," Optical Engineering 37(4), (1 April 1998). https://doi.org/10.1117/1.601970

Published: 1 April 1998

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