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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 3120–3126

Design of a novel hologram for full measurement of large and deep convex aspheric surfaces

Hua Liu, Zhenwu Lu, Fengyou Li, and Qiang Sun  »View Author Affiliations


Optics Express, Vol. 15, Issue 6, pp. 3120-3126 (2007)
http://dx.doi.org/10.1364/OE.15.003120


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Abstract

We proposed a valid method with a novel computer-generated hologram (CGH) to test large-aperture convex aspheric. The CGH consisted of two zones with different amounts of power: the central zone has a larger amount of power than the marginal zone. Compared with other CGHs used for convex aspheric testing [SPIE.2576.258 (1995)], it could overcome the difficulty of measuring the central region of the convex surface under test, while relaxing the requirement for the illumination optics and CGH of the test system. We have designed an optical test system with the novel CGH to test a 150 mm-diameter convex surface with full aperture by using optical design software Zemax. The simulated result verified the efficiency of the novel CGH. It is believed that this kind of CGHs can be used to measure any large and deep convex surface with full aperture.

© 2007 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 15, 2006
Revised Manuscript: December 30, 2006
Manuscript Accepted: January 4, 2007
Published: March 19, 2007

Citation
Hua Liu, Zhenwu Lu, Fengyou Li, and Qiang Sun, "Design of a novel hologram for full measurement of large and deep convex aspheric surfaces," Opt. Express 15, 3120-3126 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-6-3120


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References

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