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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 31 — Nov. 1, 2011
  • pp: G118–G122

Experimental study on polarization lens formed by asymmetrical metallic hole array

Shaoyun Yin, Xiaochun Dong, Xingzhan Wei, Qiling Deng, Lifang Shi, Yiming Pan, and Chunlei Du  »View Author Affiliations


Applied Optics, Vol. 50, Issue 31, pp. G118-G122 (2011)
http://dx.doi.org/10.1364/AO.50.00G118


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Abstract

A polarization bifocal lens based on the polarization effect caused by asymmetrical hole arrays had been designed, fabricated, and characterized experimentally. By considering the fact that the skin depth of an infrared electromagnetic field inside metal is much shorter than the incident wavelength, a polarization bifocal lens composed of high deep-width ratio metallic holes was realized by using a gold-coated silicon structure to replace the one directly formed on a thick metal film. An infrared optical experiment setup is built based on the secondary imagery method for characterizing the focal length of the designed bifocal lens. The measured focal lengths of the fabricated bifocal lens coincide well with the designed values, which proves the validity for realizing the polarization elements with the proposed structure and the feasibility of the fabrication process.

© 2011 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(220.4000) Optical design and fabrication : Microstructure fabrication
(350.3950) Other areas of optics : Micro-optics
(110.4234) Imaging systems : Multispectral and hyperspectral imaging

History
Original Manuscript: June 27, 2011
Revised Manuscript: August 26, 2011
Manuscript Accepted: September 11, 2011
Published: October 25, 2011

Citation
Shaoyun Yin, Xiaochun Dong, Xingzhan Wei, Qiling Deng, Lifang Shi, Yiming Pan, and Chunlei Du, "Experimental study on polarization lens formed by asymmetrical metallic hole array," Appl. Opt. 50, G118-G122 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-31-G118


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