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Applied Optics

Applied Optics


  • Vol. 36, Iss. 29 — Oct. 10, 1997
  • pp: 7297–7306

Nonlinear least-squares and phase-shifting quantization methods for diffractive optical element design

Chih-hao Chen and A. A. Sawchuk  »View Author Affiliations

Applied Optics, Vol. 36, Issue 29, pp. 7297-7306 (1997)

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A new, to our knowledge, design method for diffractive optical elements (DOE’s) is described and compared with existing methods. The technique applies a nonlinear least-squares algorithm to design two-dimensional pure phase DOE’s that reconstruct a desired diffraction pattern with high uniformity, efficiency, and signal-to-noise ratio. The technique also uses a phase-shifting quantization procedure that greatly reduces the quantization error for DOE’s to a minimum level. In this paper, we compare simulated reconstruction results of DOE’s designed by use of these methods with results obtained by the commonly used two-stage iterative Fourier transform design algorithm of Wyrowski. [J. Opt. Soc. Am. A 7, 961, (1990)].

© 1997 Optical Society of America

Original Manuscript: December 23, 1996
Revised Manuscript: April 14, 1997
Published: October 10, 1997

Chih-hao Chen and A. A. Sawchuk, "Nonlinear least-squares and phase-shifting quantization methods for diffractive optical element design," Appl. Opt. 36, 7297-7306 (1997)

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