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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 11 — Apr. 10, 2007
  • pp: 2022–2026

Measurement of parameters of simple lenses using digital holographic interferometry and a synthetic reference wave

Arun Anand and Vani K. Chhaniwal  »View Author Affiliations

Applied Optics, Vol. 46, Issue 11, pp. 2022-2026 (2007)

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The use of digital holographic intrerferometry in the testing of simple thin lenses is explored. Focal length, radius of curvature, and refractive index are the lens parameters that can be determined using this method. The digital holograms using the lens under test are recorded at various positions of the test lens using off-axis geometry. This is combined with a digitally computed plane wavefront to determine the curvature of the light beam emerging from the test lens. Focal length is the position of the test lens where a single fringe results. The radius of curvature of the test lens is also determined similarly using a long focal length lens to concentrate a collimated beam onto the test lens. The nonuniformities on the lens surface could also be found by using this method. The implementation of the method is shown by using computer simulations in the case of biconvex lenses. The method can be utilized to measure the parameters of plano–convex and concave lenses also.

© 2007 Optical Society of America

OCIS Codes
(090.2880) Holography : Holographic interferometry
(120.1680) Instrumentation, measurement, and metrology : Collimation

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: September 28, 2006
Revised Manuscript: November 6, 2006
Manuscript Accepted: December 1, 2006
Published: March 20, 2007

Arun Anand and Vani K. Chhaniwal, "Measurement of parameters of simple lenses using digital holographic interferometry and a synthetic reference wave," Appl. Opt. 46, 2022-2026 (2007)

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