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Applied Optics

Applied Optics


  • Vol. 40, Iss. 34 — Dec. 1, 2001
  • pp: 6210–6214

Focus retrocollimated interferometry for long-radius-of-curvature measurement

Yang Xiang  »View Author Affiliations

Applied Optics, Vol. 40, Issue 34, pp. 6210-6214 (2001)

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Focus retrocollimated interferometry is described for measuring long radius of curvature (⩾1 m), and achievable accuracy is discussed. It is shown that this method can be applied to both concave and convex spherical surfaces and can provide measurement to accuracy of 0.01–0.1%.

© 2001 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing

Original Manuscript: September 21, 2000
Revised Manuscript: June 21, 2001
Published: December 1, 2001

Yang Xiang, "Focus retrocollimated interferometry for long-radius-of-curvature measurement," Appl. Opt. 40, 6210-6214 (2001)

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  1. J. Bruning, “Fringe scanning interferometers,” in Optical Shop Testing, D. Malacara, ed. (Wiley, New York, 1978), pp. 428–430.
  2. L. A. Selberg, “Radius measurement by interferometry,” Opt. Eng. 31, 1961–1966 (1992). [CrossRef]
  3. M. C. Gerchman, G. C. Hunter, “Differential technique for accurately measuring the radius of curvature of long radius concave optical surfaces,” Opt. Eng. 19, 843–848 (1980). [CrossRef]
  4. Y. W. Lee, H. M. Cho, I. W. Lee, “Measurement of a long radius of curvature using a half-aperture bidirectional shearing interferometer,” Opt. Eng. 35, 480–483 (1996). [CrossRef]
  5. H. H. Hopkins, Wave Theory of Aberration (Oxford University, Oxford, UK, 1950), p. 14.

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