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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 12 — Jun. 12, 2006
  • pp: 5588–5593

High-speed phase modulation using the RPC method with a digital micromirror-array device

Peter John Rodrigo, Ivan R. Perch-Nielsen, and Jesper Glückstad  »View Author Affiliations

Optics Express, Vol. 14, Issue 12, pp. 5588-5593 (2006)

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An improved implementation of the reverse phase contrast (RPC) method for rapid optical transformation of amplitude patterns into spatially similar phase patterns using a high-speed digital micromirror-array device (DMD) is presented. Aside from its fast response, the DMD also provides an electronically adjustable and inherently aligned input iris that simplifies the optimization of the RPC system. In the RPC optimization, we illustrate good agreement between experimentally obtained and theoretically predicted optimal iris size. Finally, we demonstrate the conversion of a binary amplitude grating encoded on the DMD into a binary (0-π) phase grating.

© 2006 Optical Society of America

OCIS Codes
(100.1160) Image processing : Analog optical image processing
(210.2860) Optical data storage : Holographic and volume memories
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Optical Devices

Original Manuscript: April 6, 2006
Revised Manuscript: May 22, 2006
Manuscript Accepted: May 29, 2006
Published: June 12, 2006

Peter John Rodrigo, Ivan R. Perch-Nielsen, and Jesper Glückstad, "High-speed phase modulation using the RPC method with a digital micromirror-array device," Opt. Express 14, 5588-5593 (2006)

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