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Applied Optics

Applied Optics


  • Vol. 40, Iss. 10 — Apr. 1, 2001
  • pp: 1658–1662

Talbot interferometry in the measurement of the refractive indices of a doubly refracting crystal

J. C. Bhattacharya  »View Author Affiliations

Applied Optics, Vol. 40, Issue 10, pp. 1658-1662 (2001)

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The Talbot effect and moiré fringes are combined to measure the refractive indices of a birefringent material. Techniques based on the visibility of moiré fringes in finite fringe mode and based on fringe count are presented. These techniques are sensitive and advantageous. They are described and analyzed.

© 2001 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4120) Instrumentation, measurement, and metrology : Moire' techniques
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.4630) Instrumentation, measurement, and metrology : Optical inspection
(120.4640) Instrumentation, measurement, and metrology : Optical instruments

Original Manuscript: August 1, 2000
Revised Manuscript: December 7, 2000
Published: April 1, 2001

J. C. Bhattacharya, "Talbot interferometry in the measurement of the refractive indices of a doubly refracting crystal," Appl. Opt. 40, 1658-1662 (2001)

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  1. F. D. Bloss, An Introduction to the Methods of Optical Crystallography (Holt, New York, 1961).
  2. D. F. Heller, O. Kafri, J. Krasinski, “Direct birefringence measurements using moiré ray deflection techniques,” Appl. Opt. 33, 3037–3040 (1985). [CrossRef]
  3. J. C. Bhattacharya, A. K. Aggarwal, “Finite fringe moiré deflectometry for measurement of radius of curvature: an alternative approach,” Opt. Laser Technol. 25, 167–169 (1993). [CrossRef]
  4. F. Talbot, “Facts relating to optical science. IV,” Philos. Mag. 9, 401–407 (1936).
  5. J. C. Bhattacharya, “Measurement of the refractive index using the Talbot effect and a moiré technique,” Appl. Opt. 28, 2600–2604 (1989). [CrossRef] [PubMed]
  6. M. Francon, S. Mallick, Polarization Interferometers (Wiley-Interscience, New York, 1971), Appendix A.
  7. R. W. Ditchburn, Light, 3rd ed. (Academic, London, 1976), p. 458.

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