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Optical Engineering

Method For Measuring The Spatial Frequency Response Of Phase-Modulating Spatial Light Modulators
Author(s): E. Shafir; H. Bernstein; A. A. Friesem; H. Grebel
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Paper Abstract

We describe a real-time method for measuring the spatial frequency response of a phase-modulating spatial light modulator (SLM). The measurement involves illuminating the SLM with a chirp test signal. Data extraction is done with a linear CCD array after spatial filtering of the readout light. The method was tested on a deformable elastomeric SLM, and the results show good agreement with those obtained by the conventional point-by-point method. We present the mathematical formulation of the method and describe the experimental setup and results.

Paper Details

Date Published: 1 January 1988
PDF: 15 pages
Opt. Eng. 27(1) 270175 doi: 10.1117/12.7976644
Published in: Optical Engineering Volume 27, Issue 1
Show Author Affiliations
E. Shafir, The Weizmann Institute of Science (Israel)
H. Bernstein, The Weizmann Institute of Science (Israel)
A. A. Friesem, The Weizmann Institute of Science (Israel)
H. Grebel, The Weizmann Institute of Science (Israel)

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