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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 15 — Aug. 1, 2013
  • pp: 2767–2769

General algorithm to optimize the diffraction efficiency of a phase-type spatial light modulator

Matthew A. Cibula and David H. McIntyre  »View Author Affiliations


Optics Letters, Vol. 38, Issue 15, pp. 2767-2769 (2013)
http://dx.doi.org/10.1364/OL.38.002767


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Abstract

We present a general approach for optimizing the diffraction efficiency of a phase-type spatial light modulator (SLM). While the SLM displays a one-dimensional phase grating, the phase shift of one pixel in the grating is varied and the first-order diffraction efficiency is measured. This is repeated pixel-by-pixel to find the optimum phase encoding for the device that maximizes the diffraction efficiency. This method compensates for nonlinearity of the modulator phase response and is especially useful for optimizing modulators with less than 2π phase shift.

© 2013 Optical Society of America

OCIS Codes
(090.1970) Holography : Diffractive optics
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(230.6120) Optical devices : Spatial light modulators
(260.1960) Physical optics : Diffraction theory
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
(070.6120) Fourier optics and signal processing : Spatial light modulators

ToC Category:
Fourier Optics and Signal Processing

History
Original Manuscript: April 8, 2013
Revised Manuscript: July 1, 2013
Manuscript Accepted: July 1, 2013
Published: July 26, 2013

Citation
Matthew A. Cibula and David H. McIntyre, "General algorithm to optimize the diffraction efficiency of a phase-type spatial light modulator," Opt. Lett. 38, 2767-2769 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-15-2767


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