Lens wavefront measurement technique with a reflective Fresnel-zone hologram

Xiaohong Wei; Bo Gao; Kaiyuan Xu; Qiang Li; Yuhang He; Ang Liu; Liqun Chai

doi:10.1117/12.2069421

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3 December 2014 Lens wavefront measurement technique with a reflective Fresnel-zone hologram

Xiaohong Wei, Bo Gao, Kaiyuan Xu, Qiang Li, Yuhang He, Ang Liu, Liqun Chai

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Proceedings Volume 9297, International Symposium on Optoelectronic Technology and Application 2014: Laser and Optical Measurement Technology; and Fiber Optic Sensors; 929705 (2014) https://doi.org/10.1117/12.2069421
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

A new technique for precise wavefront measurement of lens with a hologram is presented. In diffraction, the Fresnel-zone plate hologram emulates the reflective properties of a spherical mirror for use during transmission null tests of an optic by use of a phase-shifting interferometer. Experiment shows that the Fresnel-zone hologram method result is quite similar with that of the traditional interferometry testing method, in which retroreflecting spherical surfaces are used as the reference. The benefit of this methodology is the higher degree of precision at lower cost of manufacturing the reflecting hologram, compared with retrospheres capable of delivering similar precision. This technique is widely applicable and is particularly useful for measuring long focus lens.

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Xiaohong Wei, Bo Gao, Kaiyuan Xu, Qiang Li, Yuhang He, Ang Liu, and Liqun Chai "Lens wavefront measurement technique with a reflective Fresnel-zone hologram", Proc. SPIE 9297, International Symposium on Optoelectronic Technology and Application 2014: Laser and Optical Measurement Technology; and Fiber Optic Sensors, 929705 (3 December 2014); https://doi.org/10.1117/12.2069421

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