Wedge prism for direction resolved speckle correlation interferometry
- University of Alabama in Huntsville, Center for Applied Optics, Huntsville, Alabama 35899 (United States)
- Westinghouse Savannah River Company, Savannah River Technology Center, Aiken, South Carolina 29802 (United States)
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. {copyright} {ital 1999 Society of Photo-Optical Instrumentation Engineers.}
- OSTI ID:
- 692505
- Journal Information:
- Optical Engineering, Journal Name: Optical Engineering Journal Issue: 10 Vol. 38; ISSN 0091-3286; ISSN OPEGAR
- Country of Publication:
- United States
- Language:
- English
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