Wedge prism for direction resolved speckle correlation interferometry

Chandra S. Vikram; Martin J. Pechersky

doi:10.1117/1.602227

1 October 1999 Wedge prism for direction resolved speckle correlation interferometry

Chandra S. Vikram, Martin J. Pechersky

Optical Engineering, Vol. 38, Issue 10, (October 1999). https://doi.org/10.1117/1.602227

The role of a wedge prism for strain sign determination and to enhance the sensitivity for subfringe changes is presented. The design and incorporation aspects for in-plane sensitive interferometers are described in detail. Some experimental results dealing with stress determination by laser annealing and speckle correlation interferometry are presented. The prism can also be applied to produce standardized carrier fringes in spatial phase shifting interferometry.

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Chandra S. Vikram and Martin J. Pechersky "Wedge prism for direction resolved speckle correlation interferometry," Optical Engineering 38(10), (1 October 1999). https://doi.org/10.1117/1.602227

Published: 1 October 1999

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