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Optics Letters

Optics Letters


  • Vol. 29, Iss. 1 — Jan. 1, 2004
  • pp: 11–13

Hadamard speckle contrast reduction

Jahja I. Trisnadi  »View Author Affiliations

Optics Letters, Vol. 29, Issue 1, pp. 11-13 (2004)

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The condition for a diffuser to produce the maximum speckle contrast reduction with the minimum number of distinct phase patterns is derived. A binary realization of this optimum diffuser is obtained by mapping the rows or columns of a Hadamard matrix to the phase patterns. The method is experimentally verified in the Grating Light Valve laser projection display.

© 2004 Optical Society of America

OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(030.6140) Coherence and statistical optics : Speckle

Jahja I. Trisnadi, "Hadamard speckle contrast reduction," Opt. Lett. 29, 11-13 (2004)

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