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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Stephen A. Burns
  • Vol. 25, Iss. 7 — Jul. 1, 2008
  • pp: 1558–1563

Polarization-preserving angular shifter

Yi-Kai Cheng and Jyh-Long Chern  »View Author Affiliations

JOSA A, Vol. 25, Issue 7, pp. 1558-1563 (2008)

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This study shows that by using a wedge plate the incident direction of light propagation can be rotated as desired while still preserving beam polarization. This study also deduces the basic condition of this preservation of polarization. Two typical wedge plates are analyzed for numerical demonstration. Simulation results verify that a collimated beam with a + 45 ° linear polarization can be guided to an expected direction while preserving the state of polarization with a square of the variation of the ellipse ratio of less than 0.0001%. This study also numerically shows that the wedge vertex angle is the most critical issue and that approximately 0.1 ° accuracy is required to preserve the polarization state.

© 2008 Optical Society of America

OCIS Codes
(080.2740) Geometric optics : Geometric optical design
(230.7370) Optical devices : Waveguides
(260.5430) Physical optics : Polarization

ToC Category:
Physical Optics

Original Manuscript: March 20, 2008
Manuscript Accepted: April 20, 2008
Published: June 9, 2008

Yi-Kai Cheng and Jyh-Long Chern, "Polarization-preserving angular shifter," J. Opt. Soc. Am. A 25, 1558-1563 (2008)

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