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Optical Engineering

Object tilt measurement using a photorefractive speckle correlator: theoretical and experimental analysis
Author(s): Renu Tripathi; G. S. Pati; Arvind Kumar; Kehar Singh
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Paper Abstract

A speckle correlation technique is proposed for the measurement of small object tilt. Theoretical analysis is formulated for a general case of object tilt. Simulation and experimental studies are performed to verify the outcome of theoretical predictions and accuracy in measurement. Sensitivity of tilt measurement is studied and quantified from observations made from object position in various longitudinal planes.

Paper Details

Date Published: 1 November 1998
PDF: 10 pages
Opt. Eng. 37(11) doi: 10.1117/1.601887
Published in: Optical Engineering Volume 37, Issue 11
Show Author Affiliations
Renu Tripathi, Indian Institute of Technology (India)
G. S. Pati, Indian Institute of Technology (India)
Arvind Kumar, Indian Institute of Technology/Kharagpur (United States)
Kehar Singh, Indian Institute of Technology (India)


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