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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 2 — Jan. 19, 2009
  • pp: 598–602

Polarization dependent devices realized by using asymmetrical hole array on a metallic film

Shaoyun Yin, Chongxi Zhou, Xiaochun Dong, and Chunlei Du  »View Author Affiliations


Optics Express, Vol. 17, Issue 2, pp. 598-602 (2009)
http://dx.doi.org/10.1364/OE.17.000598


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Abstract

A method is brought forward for realizing polarization dependent devices by employing sub-wavelength asymmetrical hole array on a metallic film. Based on the fundamental mode approximation, the phase retardations of rectangular hole for two orthogonal polarization incident waves are analyzed and calculated. Using rectangular hole array, a bifocal-polarization lens for the infrared radiation with 10.6μm wavelength is designed. Its focal lengths for x- and y- polarized incident wave are examined by the finite difference time domain (FDTD) method and the Rayleigh-Sommerfeld diffraction integrals and the obtained results agree well with the designed values.

© 2009 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(260.3060) Physical optics : Infrared
(260.3910) Physical optics : Metal optics
(260.5430) Physical optics : Polarization
(310.0310) Thin films : Thin films

ToC Category:
Physical Optics

History
Original Manuscript: November 11, 2008
Revised Manuscript: December 15, 2008
Manuscript Accepted: December 20, 2008
Published: January 7, 2009

Citation
Shaoyun Yin, Congxi Zhou, Xiaochun Dong, and Chunlei Du, "Polarization dependent devices realized by using asymmetrical hole array on a metallic film," Opt. Express 17, 598-602 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-2-598


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