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Optical Engineering

New power-efficient optical filter for detector array modulation transfer function measurement by laser speckle
Author(s): William S. Astar
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Paper Abstract

A method of modulation transfer function (MTF) measurement for charge-coupled device (CCD) focal-plane array (FPA) detectors that employs stochastic input in the form of laser speckle has been demonstrated with great success.1,2 This method, termed the ‘‘original method’’ henceforth, was recently improved upon3 by means of a hologram of speckle diffracted by an extended frequency aperture (EFA). Synopses of the two methods follow (the details are found in Refs. 2 and 3).

Paper Details

Date Published: 1 September 1996
PDF: 4 pages
Opt. Eng. 35(9) doi: 10.1117/1.600842
Published in: Optical Engineering Volume 35, Issue 9
Show Author Affiliations
William S. Astar, Georgia Institute of Technology (United States)

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