Majles Ara, M.H., Vijayan, C.V., Krishna Mohan, N.K. and Sirohi, R.S. (1999) Real-Time Speckle Shear Photography Using BaTiO3 for In-Plane Strain and Displacement Measurements at Multiple Wavelengths. Proceedings SPIE 3801, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications V, Denver, 18-19 July 1999.
https://doi.org/10.1117/12.363934

has been cited by the following article:

• TITLE: Rotation Measurement Using Speckle Photography with LiNbO3 Crystal: Theoretical and Experimental Analysis

  AUTHORS: Nasser A. Moustafa, H. Elgebaly

  KEYWORDS: Speckle Photgraphy, Photo-Refractive Materials, Two-Beam Coupling, Measurement Uncertainty, Tilt Measurement

  JOURNAL NAME: Optics and Photonics Journal, Vol.11 No.10, October 30, 2021

  ABSTRACT: Photorefractive crystals present varied features charming presence, such as high resolution, and normal handling. Depending on the portability of erasing images, photorefractive crystals are convenient for read-write implementations and hence find potential use in speckle photography, speckle interferometry, image processing and holography. A two-beam coupling arrangement using a LiNbO3 crystal as a recording medium for real-time rotation measurement using the coherent and low-power laser source is presented in this paper. A speckle photography technique is advanced for the measurement of a small rotation of a transmitted glass slide sample. New theoretical analysis is formulated for a general case of a slide rotation. Experimental studies are carried out to verify the outcome of the theoretical predictions and accuracy of measurement. Uncertainty of rotation measurement is studied and quantified. The proposed technique is a simple, attractive and alternative method for fringe analysis. The method promises a high degree of accuracy and increased range for rotation measurement in real-time.