A novel method of measuring convex aspheric lens using hologram optical elements

Yuejing Qi; Ping Wang; Jinghui Xie; Guoguo Kang; Yuejin Zhao; Hui Yang

doi:10.1117/12.666860

9 December 2005 A novel method of measuring convex aspheric lens using hologram optical elements

Yuejing Qi, Ping Wang, Jinghui Xie, Guoguo Kang, Yuejin Zhao, Hui Yang

Proceedings Volume 6024, ICO20: Optical Devices and Instruments; 60241F (2005) https://doi.org/10.1117/12.666860
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

In order to simplify the complexity and improve the accuracy of convex aspheric lens testing, a novel method is proposed in this paper. In this method, convex aspheric lens is tested in transmitted light at the design wavelength by means of a Mach-Zehnder interferometer. Lens under test and its collimating lens are situated in one arm of Mach-Zehnder interferometer, Hologram Optical Elements (HOEs) acting as the compensator is placed in the proper position in another arm of interferometer. The principle of this setup is analyzed. The design and manufacture of HOEs and spatial filter used in this method are described in detail. In comparison with other methods, the advantages using this method are: (1) complex compensation lenses are not required any more, which simplifies the compensating structure and decreases the costs of measurement, (2) HOEs is easier to be fabricated. A convex-plane aspheric lens as an example is experimented.

Citation Download Citation

Yuejing Qi, Ping Wang, Jinghui Xie, Guoguo Kang, Yuejin Zhao, and Hui Yang "A novel method of measuring convex aspheric lens using hologram optical elements", Proc. SPIE 6024, ICO20: Optical Devices and Instruments, 60241F (9 December 2005); https://doi.org/10.1117/12.666860

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KEYWORDS

Holographic optical elements

Aspheric lenses

Holograms

Optical components

Interferometers

Mach-Zehnder interferometers

Diffraction

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