The Image Photo-Carrier Theory And Its Application To The Determination Of Principal Stress Direction

Wang Rupeng

doi:10.1117/12.941705

17 February 1987 The Image Photo-Carrier Theory And Its Application To The Determination Of Principal Stress Direction

Wang Rupeng

Proceedings Volume 0814, Photomechanics and Speckle Metrology; (1987) https://doi.org/10.1117/12.941705
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

The image photo-carrier theory as a new technique in photomechanics is described in this paper. The idea of high frequence photo-carrier which can transform the photoelasticity fringe into moire fringe and the single phase carrier method are presented by the author. According to the idea as mentioned above the physics and mathematics relation between the principal stress direction and moire fringe obtained from photo-carrier is established. The photo-carrier possesses some special functions which make it possible to determine automatically the fringe order and the fractional fringe value by the image processing system, in consequence of which provides an effective technique for collection and processing automatization in photomechanics.

Citation Download Citation

Wang Rupeng "The Image Photo-Carrier Theory And Its Application To The Determination Of Principal Stress Direction", Proc. SPIE 0814, Photomechanics and Speckle Metrology, (17 February 1987); https://doi.org/10.1117/12.941705

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