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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 28 — Oct. 1, 2012
  • pp: 6824–6830

A translational polarization rotator

David T. Chuss, Edward J. Wollack, Giampaolo Pisano, Sheridan Ackiss, Kongpop U-Yen, and Ming wah Ng  »View Author Affiliations


Applied Optics, Vol. 51, Issue 28, pp. 6824-6830 (2012)
http://dx.doi.org/10.1364/AO.51.006824


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Abstract

We explore a free-space polarization modulator in which a variable phase is introduced between the right- and left-handed circular polarization components and used to rotate the linear polarization of the outgoing beam relative to that of the incoming beam. In this device, the polarization states are separated by a circular polarizer that consists of a quarter-wave plate in combination with a wire grid. A movable mirror is positioned behind and parallel to the circular polarizer. As the polarizer–mirror distance is changed, an incident linear polarization will be rotated through an angle that is proportional to the introduced phase delay. We demonstrate a prototype device that modulates Stokes Q and U over a 20% bandwidth, from 77 to 94 GHz.

OCIS Codes
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(230.4110) Optical devices : Modulators
(350.1270) Other areas of optics : Astronomy and astrophysics
(050.6624) Diffraction and gratings : Subwavelength structures
(240.5440) Optics at surfaces : Polarization-selective devices

ToC Category:
Optics at Surfaces

History
Original Manuscript: June 12, 2012
Revised Manuscript: August 10, 2012
Manuscript Accepted: August 20, 2012
Published: September 27, 2012

Citation
David T. Chuss, Edward J. Wollack, Giampaolo Pisano, Sheridan Ackiss, Kongpop U-Yen, and Ming wah Ng, "A translational polarization rotator," Appl. Opt. 51, 6824-6830 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-28-6824

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