Method For Measuring The Spatial Frequency Response Of Phase-Modulating Spatial Light Modulators

E. Shafir; H. Bernstein; A. A. Friesem; H. Grebel

doi:10.1117/12.7976644

1 January 1988 Method For Measuring The Spatial Frequency Response Of Phase-Modulating Spatial Light Modulators

E. Shafir, H. Bernstein, A. A. Friesem, H. Grebel

Author Affiliations +

Optical Engineering, Vol. 27, Issue 1, 270175 (January 1988). https://doi.org/10.1117/12.7976644

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.

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E. Shafir, H. Bernstein, A. A. Friesem, and H. Grebel "Method For Measuring The Spatial Frequency Response Of Phase-Modulating Spatial Light Modulators," Optical Engineering 27(1), 270175 (1 January 1988). https://doi.org/10.1117/12.7976644

Published: 1 January 1988

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