Abstract

Real-time holographic interferometry performed with two very thin, parallel, closely spaced object illumination beams can be used to produce a time-varying irradiance which, when incident on a photodetector, gives a signal whose analysis indicates both the normal displacement and tilt at a point on the object surface. The signal also contains information about in-plane translation which can be utilized in some cases.

© 1983 Optical Society of America

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References

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  1. C. M. Vest, Holographic Interferometry (Wiley, New York, 1979), p. 115.
  2. K. A. Stetson, in Proceedings, SESA Spring Meeting (Society of Experimental Stress Analysis, Brookfield Center, Conn., 1981), pp. 236โ€“241.

Stetson, K. A.

K. A. Stetson, in Proceedings, SESA Spring Meeting (Society of Experimental Stress Analysis, Brookfield Center, Conn., 1981), pp. 236โ€“241.

Vest, C. M.

C. M. Vest, Holographic Interferometry (Wiley, New York, 1979), p. 115.

Other (2)

C. M. Vest, Holographic Interferometry (Wiley, New York, 1979), p. 115.

K. A. Stetson, in Proceedings, SESA Spring Meeting (Society of Experimental Stress Analysis, Brookfield Center, Conn., 1981), pp. 236โ€“241.

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