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Applied Optics

Applied Optics


  • Vol. 38, Iss. 25 — Sep. 1, 1999
  • pp: 5422–5428

Polychromatic reflectance and transmittance of a slab with a randomly rough boundary

Abdulrasagh Aziz, Walter Papousek, and Günther Leising  »View Author Affiliations

Applied Optics, Vol. 38, Issue 25, pp. 5422-5428 (1999)

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We investigated four different approximation models for describing the polychromatic reflectance and transmittance of a slab with a randomly rough boundary while taking into account the coherent and the incoherent scattering of the rough boundary. Comparisons with experiments (an etched-silicon wafer) show that approximation models that apply a two-scale roughness to the randomly rough boundary and that take into account the coherent and the incoherent scattering yield better agreement and extend the range of validity of the approximation to shorter wavelengths.

© 1999 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(240.5770) Optics at surfaces : Roughness
(260.2110) Physical optics : Electromagnetic optics
(310.6860) Thin films : Thin films, optical properties

Original Manuscript: February 9, 1999
Revised Manuscript: May 12, 1999
Published: September 1, 1999

Abdulrasagh Aziz, Walter Papousek, and Günther Leising, "Polychromatic reflectance and transmittance of a slab with a randomly rough boundary," Appl. Opt. 38, 5422-5428 (1999)

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