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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 19 — Jul. 1, 1999
  • pp: 4137–4144

Optical properties of a retroreflecting sheet

Dominic C. O’Brien, Grahame E. Faulkner, and David J. Edwards  »View Author Affiliations


Applied Optics, Vol. 38, Issue 19, pp. 4137-4144 (1999)
http://dx.doi.org/10.1364/AO.38.004137


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Abstract

The power reflection and polarization properties of a close-packed array of retroreflectors are modeled, and a commercially available sheet is measured to verify the predictions. The modeling technique is conceptually simple and applicable to a wide range of structures of this type. The close-packed sheet retroreflects over a range of angles of incidence of approximately -40 to 40 deg in both directions and returns the polarization that illuminates it largely unchanged. Predictions of returned power are within 10% for light incident within 15 deg of normal and within 20% for angles less than 20 deg. Angles of polarization rotation are predicted to within 10 deg over a similar range of input angles. The model predicts the angular aperture of the sheet and the major features of the angular response. Future research will focus on design of structures with wider angles of acceptance and responses optimized for specific applications.

© 1999 Optical Society of America

OCIS Codes
(120.5700) Instrumentation, measurement, and metrology : Reflection
(230.4040) Optical devices : Mirrors
(260.5430) Physical optics : Polarization

History
Original Manuscript: November 25, 1998
Revised Manuscript: March 1, 1999
Published: July 1, 1999

Citation
Dominic C. O’Brien, Grahame E. Faulkner, and David J. Edwards, "Optical properties of a retroreflecting sheet," Appl. Opt. 38, 4137-4144 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-19-4137

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