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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 1 — Jan. 1, 2002
  • pp: 235–238

Symmetrically coated pellicle beam splitters for dual quarter-wave retardation in reflection and transmission

Rasheed M. A. Azzam and Fadi A. Mahmoud  »View Author Affiliations


Applied Optics, Vol. 41, Issue 1, pp. 235-238 (2002)
http://dx.doi.org/10.1364/AO.41.000235


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Abstract

A trilayer pellicle that consists of a high-index center layer that is symmetrically coated on both sides by a low-index film can be designed to produce differential reflection and transmission phase shifts of ±90° at oblique incidence and equal throughput for the p and the s polarizations. Such a device splits a beam of incident linearly polarized light into two orthogonal circularly polarized components that travel in well-separated angular directions. Examples of infrared dual quarter-wave retarders that use a symmetrically coated Ge pellicle at 77° angle of incidence are presented. A 50–50% splitter requires a symmetric pellicle with at least five layers. Error analysis shows that the thicknesses of the high-index layers must be tightly controlled. These circular polarization beam splitters are intended for operation with a well-collimated light source and can be used as the basis of a novel circular polarization Michelson interferometer.

© 2002 Optical Society of America

OCIS Codes
(120.2130) Instrumentation, measurement, and metrology : Ellipsometry and polarimetry
(230.5440) Optical devices : Polarization-selective devices
(260.5430) Physical optics : Polarization

History
Original Manuscript: May 21, 2001
Published: January 1, 2002

Citation
Rasheed M. A. Azzam and Fadi A. Mahmoud, "Symmetrically coated pellicle beam splitters for dual quarter-wave retardation in reflection and transmission," Appl. Opt. 41, 235-238 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-1-235


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References

  1. See, for example, W. A. Schucliff, Polarized Light (Harvard University, Cambridge, Mass., 1962).
  2. D. A. Holmes, “Wave optics theory of rotatory compensators,” J. Opt. Soc. Am. 54, 1340–1347 (1964). [CrossRef]
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  9. J. A. Dobrowolski, “Optical properties of films and coatings,” Handbook of Optics, M. Bass, ed. (McGraw-Hill, New York, 1995), Vol. 1, Chap. 42.
  10. R. M. A. Azzam, F. A. Mahmoud, “Circular polarization Michelson interferometer,” presented at the 1999 Annual Meeting of the Optical Society of America, Santa Clara, Calif., 26–30 Sept. 1999, paper TuXX66.

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