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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. 22, Iss. 12 — Dec. 1, 2005
  • pp: 2662–2667

Talbot effect of a grating with different kinds of flaws

Yunqing Lu, Changhe Zhou, and Hongxin Luo  »View Author Affiliations


JOSA A, Vol. 22, Issue 12, pp. 2662-2667 (2005)
http://dx.doi.org/10.1364/JOSAA.22.002662


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Abstract

The Talbot effect of a grating with different kinds of flaws is analyzed with the finite-difference time-domain (FDTD) method. The FDTD method can show the exact near-field distribution of different flaws in a high-density grating, which is impossible to obtain with the conventional Fourier transform method. The numerical results indicate that if a grating is perfect, its Talbot imaging should also be perfect; if the grating is distorted, its Talbot imaging will also be distorted. Furthermore, we evaluate high-density gratings by detecting the near-field distribution with the scanning near-field optical microscopy technique. Experimental results are also given.

© 2005 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Fourier Optics and Optical Signal Processing

History
Original Manuscript: January 18, 2005
Revised Manuscript: April 29, 2005
Manuscript Accepted: May 26, 2005
Published: December 1, 2005

Citation
Yunqing Lu, Changhe Zhou, and Hongxin Luo, "Talbot effect of a grating with different kinds of flaws," J. Opt. Soc. Am. A 22, 2662-2667 (2005)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-22-12-2662

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