Study Of Orthogonal Polarization Property Of Holospecklegram

Ching-Piao Hu; Tien-Hsing Chang

doi:10.1117/12.960416

16 June 1986 Study Of Orthogonal Polarization Property Of Holospecklegram

Ching-Piao Hu, Tien-Hsing Chang

Proceedings Volume 0613, Nonlinear Optics and Applications; (1986) https://doi.org/10.1117/12.960416
Event: O-E/LASE'86 Symposium, 1986, Los Angeles, CA, United States

Abstract

This paper proposes a holospeckle interferometer with one single set-up, This is made possible by using two collimated reference beams, one at each state, in typical double exposure holographic interferometry. At reconstruction, if the same reference beams are used to reconstruct the images, then the holographic interferometry is obtained, If we put a half-wave plate into the light path of one reference beam, i.e., the polarization states of the two reference beams are orthogonal, then a speckle interferometry is obtained. In experimental mechanics, the holospecklegram provides a means to separately measure the in-plane and out-of-plane surface displacement components. In addition to this, it has some other advantages. The orthogonal polarization property of the two reference beams play a key role for determining the type of interferometry and the qualities of the bolo and speckle grams, therefore, types of orthogonal polarization have been investigated and discussed.

Citation Download Citation

Ching-Piao Hu and Tien-Hsing Chang "Study Of Orthogonal Polarization Property Of Holospecklegram", Proc. SPIE 0613, Nonlinear Optics and Applications, (16 June 1986); https://doi.org/10.1117/12.960416

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