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Proceedings Paper

3D measurement of an aspherical surface with a one-interferogram method
Author(s): Wensheng Wang; Yang Xiang; Haicheng Zhang
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Paper Abstract

In this paper, with the aid of Fourier transform and reverse Fourier transform not only 2D contour map, but also 3D plot of a tested aspherical surface is obtained by 1- interferogram method, so a simple method is provided for autocontrolling machine-shaping of an aspherical surface. In order to test a variety of aspherical surface, a quasi- universal compensator is designed. The experiment setup for testing aspherical surface is Tywman-CCD-computer system.

Paper Details

Date Published: 5 August 1998
PDF: 4 pages
Proc. SPIE 3557, Current Developments in Optical Elements and Manufacturing, (5 August 1998); doi: 10.1117/12.318327
Show Author Affiliations
Wensheng Wang, Changchun Institute of Optics and Fine Mechanics (China)
Yang Xiang, Changchun Institute of Optics and Fine Mechanics (China)
Haicheng Zhang, Changchun Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 3557:
Current Developments in Optical Elements and Manufacturing
Qiming Xin; Robert E. Parks, Editor(s)

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