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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. 24, Iss. 8 — Aug. 1, 2007
  • pp: 2328–2333

Rigorous analysis of the spatial dispersion effect in multilayer thin-film coatings

Mingyu Li, Xu Liu, Jinlong Zhang, Xin Ma, Xuezheng Sun, Yiyu Li, and Peifu Gu  »View Author Affiliations


JOSA A, Vol. 24, Issue 8, pp. 2328-2333 (2007)
http://dx.doi.org/10.1364/JOSAA.24.002328


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Abstract

We demonstrate a wavelength-dependent spatial lateral beam shift of a reflective Gaussian beam on the surface of multilayer thin-film coatings. Numerical analysis of the behavior of a Gaussian-form light beam incident on the surface of the coatings is performed. The theoretical analysis is for a two-dimensional light sheet. The spatial lateral beam dispersion can be determined rigorously from the numerical wave field in the region of the incident medium. The coatings present a spatial dispersion effect much larger than in previous reports. The thin-film coatings can act not only as positive spatial dispersion devices but in a proper case, also as negative spatial dispersion devices. As such, the devices produce a wavelength-dependent negative lateral shift of the reflective beam.

© 2007 Optical Society of America

OCIS Codes
(240.0240) Optics at surfaces : Optics at surfaces
(260.2110) Physical optics : Electromagnetic optics
(310.6860) Thin films : Thin films, optical properties
(350.3950) Other areas of optics : Micro-optics

ToC Category:
Thin Films

History
Original Manuscript: January 27, 2006
Revised Manuscript: November 22, 2006
Manuscript Accepted: March 6, 2007
Published: July 11, 2007

Citation
Mingyu Li, Xu Liu, Jinlong Zhang, Xin Ma, Xuezheng Sun, Yiyu Li, and Peifu Gu, "Rigorous analysis of the spatial dispersion effect in multilayer thin-film coatings," J. Opt. Soc. Am. A 24, 2328-2333 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-8-2328

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