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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 32 — Nov. 10, 2000
  • pp: 5921–5928

Diffractive Optical Element Design with Memory-Matrix-Based Identification Methodology

Dhawat E. Pansatiankul and Alexander A. Sawchuk  »View Author Affiliations


Applied Optics, Vol. 39, Issue 32, pp. 5921-5928 (2000)
http://dx.doi.org/10.1364/AO.39.005921


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Abstract

We present a new technique for the design of diffractive optical elements (DOE’s) that is based on previous nonlinear least squares (NLS) and phase-shifting quantization methods [Appl. Opt. 36, 7297–7306 (1997)]. The technique uses a memory-matrix-based identification (MMBI) optimization procedure. We compare results from the MMBI method with those from iterative Fourier transform and NLS methods. In comparison, the MMBI DOE designs produce better-quality reconstructions for DOE’s with eight or more fabrication phase levels and generally have a higher signal-to-noise ratio and better uniformity.

© 2000 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(070.4560) Fourier optics and signal processing : Data processing by optical means
(100.5090) Image processing : Phase-only filters
(200.2610) Optics in computing : Free-space digital optics
(200.4650) Optics in computing : Optical interconnects

Citation
Dhawat E. Pansatiankul and Alexander A. Sawchuk, "Diffractive Optical Element Design with Memory-Matrix-Based Identification Methodology," Appl. Opt. 39, 5921-5928 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-32-5921


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