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Applied Optics

Applied Optics


  • Vol. 41, Iss. 21 — Jul. 20, 2002
  • pp: 4307–4313

Structured surface bidirectional reflectance distribution function reciprocity: theory and counterexamples

William C. Snyder  »View Author Affiliations

Applied Optics, Vol. 41, Issue 21, pp. 4307-4313 (2002)

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I address the question of whether the bidirectional reflectance distribution function (BRDF) of a structured surface has the same value when the incident and reflected angles are reversed. In particular, I examine the validity of some recent counterexamples and contrary measurements. On the basis of a new definition for structured surfaces, I conclude that the BRDF should be reciprocal. I show that designed counterexamples are flawed and suggest that measurements that do not exhibit reciprocity can be attributed to uncertainty and uncontrolled factors.

© 2002 Optical Society of America

OCIS Codes
(030.5620) Coherence and statistical optics : Radiative transfer
(030.5630) Coherence and statistical optics : Radiometry
(030.5770) Coherence and statistical optics : Roughness
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements

Original Manuscript: December 19, 2001
Revised Manuscript: May 9, 2002
Published: July 20, 2002

William C. Snyder, "Structured surface bidirectional reflectance distribution function reciprocity: theory and counterexamples," Appl. Opt. 41, 4307-4313 (2002)

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