Application of Holography and Hologram Interferometry to by Vlatko Brčić (auth.)

By Vlatko Brčić (auth.)

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Extra info for Application of Holography and Hologram Interferometry to Photoelasticity: Lectures Held at the Department for Mechanics of Deformable Bodies

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5 attemts to symbolize these concepts. Parenthetically, let us note the relationship between this argument and previous similar equivalence arguments, as one of the most practical aspects of the usefulness of the HI process. Application of Holography to Photoelasticity illuminated objects, the surface at each of its rest positions under the periodic stress condition; the reconstruction process reconstructs the two coherently, with the fringes as a consequence. In the present situation, two essentially uncoupled, non-interacting objects are still recorded, albeit recorded simulta neously.

Thus, we may expect to generate, in the reconstruction process, two nearly identical, and nearly superposed image wave fields. 5 attemts to symbolize these concepts. Parenthetically, let us note the relationship between this argument and previous similar equivalence arguments, as one of the most practical aspects of the usefulness of the HI process. Application of Holography to Photoelasticity illuminated objects, the surface at each of its rest positions under the periodic stress condition; the reconstruction process reconstructs the two coherently, with the fringes as a consequence.

Application of Holography to Photoelasticity are performed by different way. Fig. 7 represents a schematic arrangement of the holographic polariscope. Since the laser prQ duces plane polarized light, the polarizer is not necessary in some cases. Since the hologram obtained with two coherent light beams is a function of their relative polarization, the analyzer is not necessary. It is also necessary to insert the pinhole and positioning device for spatial filtering of both the reference and the object beam.

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