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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 23, Iss. 10 — Oct. 1, 2006
  • pp: 2471–2475

Retrieving two-dimensional information of the subwavelength variation from far-field irradiance

Shu-Chun Chu and Jyh-Long Chern  »View Author Affiliations


JOSA A, Vol. 23, Issue 10, pp. 2471-2475 (2006)
http://dx.doi.org/10.1364/JOSAA.23.002471


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Abstract

An eigenvalue-problem approach of blind deconvolution is developed to retrieve the information of two-dimensional subwavelength variation from far-field irradiance with an embedded-aperture configuration with three detectors. A reference signal has been implemented to determine the scaling issue, and hence it allows the exact order of magnitude of the retrieved signals to be estimated correctly. It is shown that the subwavelength variations of a two-dimensional aperture can be identified with a precision of better than a 1% error ratio.

© 2006 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(120.1880) Instrumentation, measurement, and metrology : Detection

ToC Category:
Fourier Optics and Optical Signal Processing

History
Original Manuscript: March 31, 2006
Manuscript Accepted: May 4, 2006

Citation
Shu-Chun Chu and Jyh-Long Chern, "Retrieving two-dimensional information of the subwavelength variation from far-field irradiance," J. Opt. Soc. Am. A 23, 2471-2475 (2006)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-23-10-2471


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