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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 18 — Jun. 20, 2010
  • pp: 3573–3579

Simultaneous measurement of translation and tilt using digital speckle photography

Basanta Bhaduri, Chenggen Quan, Cho Jui Tay, and Mikael Sjödahl  »View Author Affiliations


Applied Optics, Vol. 49, Issue 18, pp. 3573-3579 (2010)
http://dx.doi.org/10.1364/AO.49.003573


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Abstract

A Michelson-type digital speckle photographic system has been proposed in which one light beam produces a Fourier transform and another beam produces an image at a recording plane, without interfering between themselves. Because the optical Fourier transform is insensitive to translation and the imaging technique is insensitive to tilt, the proposed system is able to simultaneously and independently determine both surface tilt and translation by two separate recordings, one before and another after the surface motion, without the need to obtain solutions for simultaneous equations. Experimental results are presented to verify the theoretical analysis.

© 2010 Optical Society of America

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.6150) Instrumentation, measurement, and metrology : Speckle imaging
(330.4150) Vision, color, and visual optics : Motion detection

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: February 17, 2010
Revised Manuscript: April 17, 2010
Manuscript Accepted: May 23, 2010
Published: June 17, 2010

Citation
Basanta Bhaduri, Chenggen Quan, Cho Jui Tay, and Mikael Sjödahl, "Simultaneous measurement of translation and tilt using digital speckle photography," Appl. Opt. 49, 3573-3579 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-18-3573

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