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Double pass, common path method for arbitrary polarization control using a ferroelectric liquid crystal spatial light modulator |
Optics Letters, Vol. 38, Issue 7, pp. 1043-1045 (2013)
http://dx.doi.org/10.1364/OL.38.001043
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Abstract
We present a method for arbitrary control of the polarization of a light beam. Our method uses two holograms on a binary ferroelectric liquid crystal spatial light modulator (FLCSLM), and so has the potential to allow polarization state switching at kilohertz rates. Unlike previous methods that achieve polarization control using FLCSLMs, our method is common path and requires only the simplest optical components. For this reason, the method is very easy to setup, align, and maintain. In addition, it has the ability to modulate unpolarized input light. We demonstrate the formation of radially, azimuthally, and circularly polarized beams by imaging their focal spots formed at low numerical aperture.
© 2013 Optical Society of America
OCIS Codes
(050.1380) Diffraction and gratings : Binary optics
(230.6120) Optical devices : Spatial light modulators
(260.5430) Physical optics : Polarization
ToC Category:
Optical Devices
History
Original Manuscript: December 19, 2012
Manuscript Accepted: February 6, 2013
Published: March 20, 2013
Citation
James H. Clegg and Mark A. A. Neil, "Double pass, common path method for arbitrary polarization control using a ferroelectric liquid crystal spatial light modulator," Opt. Lett. 38, 1043-1045 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-7-1043
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