1 September 1994 Low-cost digital polariscope for dynamic photoelasticity
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Optical Engineering, 33(9), (1994). doi:10.1117/12.177512
Abstract
A low-cost dynamic polariscope is presented. The experimental arrangement is based on the delayed-microflash technique. A LED is used as the flash source. Dynamic photoelastic patterns are recorded after different time delays from the loading point using a CCD camera operating in the time-delay and integration mode. Unlike the conventional photographic techniques, the experiments need not be performed in total darkness. Digital recording provides instantaneous visualization of the patterns and rapid repeatability.
Anand Krishna Asundi, Sajan R. Marokkey, "Low-cost digital polariscope for dynamic photoelasticity," Optical Engineering 33(9), (1 September 1994). http://dx.doi.org/10.1117/12.177512
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KEYWORDS
Photoelasticity

Light emitting diodes

Cameras

CCD cameras

Fringe analysis

Digital recording

Imaging systems

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