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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 36 — Dec. 20, 2011
  • pp: 6682–6688

Comparison of quarter-wave retarders over finite spectral and angular bandwidths for infrared polarimetric-imaging applications

Samuel L. Wadsworth and Glenn D. Boreman  »View Author Affiliations


Applied Optics, Vol. 50, Issue 36, pp. 6682-6688 (2011)
http://dx.doi.org/10.1364/AO.50.006682


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Abstract

We compare three technological approaches for quarter-wave retarders within the context of polarimetric-imaging applications in the long-wave infrared (LWIR) spectrum. Performance of a commercial cadmium sulfide (CdS) crystalline waveplate, a multilayer meanderline structure, and a silicon (Si) form-birefringent retarder are evaluated under conditions of 8–12 μm broadband radiation emerging from an F/1 focusing objective. Metrics used for this comparison are the spectrally dependent axial ratio, retardance, and polarization-averaged power transmittance, which are averaged over the angular range of interest. These parameters correspond to the characteristics that would be observed at the focal-plane array (FPA) detector of an LWIR imaging polarimeter.

© 2011 Optical Society of America

OCIS Codes
(120.2130) Instrumentation, measurement, and metrology : Ellipsometry and polarimetry
(120.7000) Instrumentation, measurement, and metrology : Transmission
(230.5440) Optical devices : Polarization-selective devices
(300.6340) Spectroscopy : Spectroscopy, infrared
(110.5405) Imaging systems : Polarimetric imaging

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: July 7, 2011
Revised Manuscript: August 24, 2011
Manuscript Accepted: September 2, 2011
Published: December 19, 2011

Citation
Samuel L. Wadsworth and Glenn D. Boreman, "Comparison of quarter-wave retarders over finite spectral and angular bandwidths for infrared polarimetric-imaging applications," Appl. Opt. 50, 6682-6688 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-36-6682

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