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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 11984–11993

Integration of liquid crystal elements for creating an infrared Lyot filter

Mitsunori Saito and Keisuke Hayashi  »View Author Affiliations

Optics Express, Vol. 21, Issue 10, pp. 11984-11993 (2013)

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An infrared Lyot filter was fabricated by integrating a polarization beam splitter and two retarders into a single device. A liquid crystal layer was constructed between two silicon pentaprisms that were designed suitably so that light was incident on this layer at 28°. At this angle, the liquid crystal transmitted p-polarized light (Brewster’s angle) and reflected s-polarized light (total internal reflection). The p- or s-polarized light was directed to another liquid crystal layer (retarder) between the prism and a mirror, which induced a wavelength-dependent retardation in the reflection process. Consequently, the light that returned to the beam splitter was transmitted or reflected depending on wavelength.

© 2013 OSA

OCIS Codes
(220.0220) Optical design and fabrication : Optical design and fabrication
(230.3720) Optical devices : Liquid-crystal devices
(230.5480) Optical devices : Prisms
(260.1440) Physical optics : Birefringence
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:
Optical Devices

Original Manuscript: December 14, 2012
Revised Manuscript: April 14, 2013
Manuscript Accepted: April 14, 2013
Published: May 8, 2013

Mitsunori Saito and Keisuke Hayashi, "Integration of liquid crystal elements for creating an infrared Lyot filter," Opt. Express 21, 11984-11993 (2013)

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