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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 19 — Jul. 1, 2013
  • pp: 4738–4742

Catadioptric null test of ultra-deep concave aspheric lens in wide-field optical system

Xing Zhong and Guang Jin  »View Author Affiliations

Applied Optics, Vol. 52, Issue 19, pp. 4738-4742 (2013)

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To test the ultra-deep conic surface in wide-field optical systems, a catadioptric null test method is researched in this paper. Equations of infinite conjugate null test system are established and solved using optical path length. The numeric results of a self-aligning mirror’s shapes are fitted by coefficients and validation is done in optical design software. The rms wavefront error is 0.0019λ (λ=632.8nm) in the example fitted by five coefficients. Furthermore, by adjusting spherical aberration distributions, an all-spherical finite conjugate null test system is designed, whose rms wavefront error is 0.0309λ. The test methods in this paper have been proven to be adaptive to many other similar ultra-deep surfaces, even with higher orders.

© 2013 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(220.4840) Optical design and fabrication : Testing

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: April 2, 2013
Revised Manuscript: May 30, 2013
Manuscript Accepted: June 5, 2013
Published: June 28, 2013

Xing Zhong and Guang Jin, "Catadioptric null test of ultra-deep concave aspheric lens in wide-field optical system," Appl. Opt. 52, 4738-4742 (2013)

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