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Optical Engineering

Experiments with photorefractive crystals for holographic interferometry
Author(s): Robert Magnusson; Xuqun Wang; Ali Hafiz; Truman D. Black; Lucio N. Tello; A. Haji-Sheikh; Snezana Konecni; Donald R. Wilson
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Paper Abstract

Photorefractive crystals such as iron-doped lithium niobate are versatile recording materials for holographic interferometry. These crystals are self-developing, erasable, and reusable, amply sensitive in the visible region, and possess large information storage capacity, making them attractive for routine interferometry applications. This paper summarizes a variety of experiments in interferometry using iron-doped and undoped lithium niobate crystals for recording the holograms. Double-exposure holography with an argon laser is applied to visualize aerodynamic flow fields, heat transfer patterns, and acoustic waves. A pulsed Nd:YAG laser is used to visualize the details of turbulent aerodynamic fields. Finally, several heat transfer patterns are visualized by holographic subtraction interferometry and real-time interferometry.

Paper Details

Date Published: 1 February 1994
PDF: 12 pages
Opt. Eng. 33(2) doi: 10.1117/12.152206
Published in: Optical Engineering Volume 33, Issue 2
Show Author Affiliations
Robert Magnusson, Univ. of Texas/Arlington (United States)
Xuqun Wang, Univ. of Texas/Arlington (United States)
Ali Hafiz, Univ. of Texas/Arlington (United States)
Truman D. Black, Univ. of Texas/Arlington (United States)
Lucio N. Tello, Computalog Research Inc. (United States)
A. Haji-Sheikh, Univ. of Texas/Arlington (United States)
Snezana Konecni, Univ. of Texas/Arlington (United States)
Donald R. Wilson, Univ. of Texas/Arlington (United States)

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