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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 22, Iss. 3 — Mar. 1, 2005
  • pp: 569–573

Angular dependence of the reflectance from an isotropic polydomain medium: effect of large domain size on total reflection

Thomas G. Mayerhöfer and Jürgen Popp  »View Author Affiliations


JOSA A, Vol. 22, Issue 3, pp. 569-573 (2005)
http://dx.doi.org/10.1364/JOSAA.22.000569


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Abstract

We investigate the angular dependence of the reflectance from an isotropic medium consisting of optically large and anisotropic, randomly oriented domains, assuming a highly refractive, isotropic, and homogeneous incidence medium, which is presumed to have a higher refractive index than any of the domains’ principal indices of refraction. By employing average reflectance and transmittance theory, we are able to show that the onset of total reflection is considerably shifted to higher angles of incidence compared with an isotropic medium with domains that are small compared with the wavelength. The onset of total reflection for a random medium with large domains is found to be dependent only on the largest principal index of refraction of the domains, assuming that all domains have the same optical properties. Therefore the shift of the onset depends on the magnitude of the optical anisotropy of the domains. Even in the case of a small optical anisotropy, large cross-polarization terms are predicted in the vicinity of the onset of total reflection. These terms show a pronounced maximum near that onset and extend beyond it.

© 2005 Optical Society of America

OCIS Codes
(260.1180) Physical optics : Crystal optics
(260.5430) Physical optics : Polarization

History
Original Manuscript: July 30, 2004
Manuscript Accepted: August 18, 2004
Published: March 1, 2005

Citation
Thomas G. Mayerhöfer and Jürgen Popp, "Angular dependence of the reflectance from an isotropic polydomain medium: effect of large domain size on total reflection," J. Opt. Soc. Am. A 22, 569-573 (2005)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-22-3-569

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