Abstract
This paper describes a new method of separating only the isopachics of a birefringent object, the present eliminating the photoelastic effect of the object by using immersion method polarization holography. Further, the isochromatics can be also obtained from the isochromatic–isopachic fringe pattern without mutual interaction. Experimental results are given for a photoelastic model using air and water as the immersion media.
© 1976 Optical Society of America
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