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A translational polarization rotator |
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
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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