Circular-polarization-splitting common-path interferometer based on a zero-twist liquid-crystal display
Optics Letters, Vol. 34, Issue 9, pp. 1486-1488 (2009)
http://dx.doi.org/10.1364/OL.34.001486
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Abstract
We present a compact optical circular-polarization-splitting common-path interferometer based on a zero-twist liquid-crystal display (LCD). A blazed diffraction grating is encoded onto the LCD. The optical system produces a reference beam that has one sense of circularly polarized light, while the diffracted beam has the opposite sense of circularly polarized light. Using a linear polarizer, these two beams form an interferogram that can be used to analyze optically active media. Experimental results are provided showing the detection of left-handed-rotary and right-handed-rotary media.
© 2009 Optical Society of America
OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(230.3720) Optical devices : Liquid-crystal devices
(230.5440) Optical devices : Polarization-selective devices
(230.6120) Optical devices : Spatial light modulators
(260.5430) Physical optics : Polarization
ToC Category:
Optical Devices
History
Original Manuscript: March 13, 2009
Manuscript Accepted: March 30, 2009
Published: April 30, 2009
Citation
Jeffrey A. Davis, B. Melvin L. Pascoguin, Ignacio Moreno, and A. Nava-Vega, "Circular-polarization-splitting common-path interferometer based on a zero-twist liquid-crystal display," Opt. Lett. 34, 1486-1488 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-9-1486
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