Photographic Speckle Pattern Interferometry: An Analysis Of Its Fourier Components And Their Application To Electronic Speckle Pattern Interferometry (ESPI).

F.Mendoza Santoyo; B. D. Bergquist

doi:10.1117/12.943498

1 June 1988 Photographic Speckle Pattern Interferometry: An Analysis Of Its Fourier Components And Their Application To Electronic Speckle Pattern Interferometry (ESPI).

F.Mendoza Santoyo, B. D. Bergquist

Author Affiliations +

Proceedings Volume 0863, Industrial Optoelectronic Measurement Systems Using Coherent Light; (1988) https://doi.org/10.1117/12.943498
Event: 1987 Symposium on the Technologies for Optoelectronics, 1987, Cannes, France

Abstract

The present paper introduces a double exposure photographic technique that displays, on a single film frame, speckle (addition) correlation fringes identical to those obtained (on substraction) with ESPI. This double exposed photograph is later spatially Fourier filtered to elminate the optical noise giving, as a result, an image of holographic quality. The information given by the Fourier spatial spectrum of the deformed object is at present being studied with the aim of introducing an electronic filter into ESPI. A theoretical account of the above process is given.

Citation Download Citation

F.Mendoza Santoyo and B. D. Bergquist "Photographic Speckle Pattern Interferometry: An Analysis Of Its Fourier Components And Their Application To Electronic Speckle Pattern Interferometry (ESPI).", Proc. SPIE 0863, Industrial Optoelectronic Measurement Systems Using Coherent Light, (1 June 1988); https://doi.org/10.1117/12.943498

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