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Titolo:
Generalized conditions for the existence of optical axes
Autore:
Khorasani, S;
Indirizzi:
KNT Univ Technol, Dept Phys, Tehran, Iran KNT Univ Technol Tehran IranKNT Univ Technol, Dept Phys, Tehran, Iran
Titolo Testata:
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS
fascicolo: 2, volume: 3, anno: 2001,
pagine: 144 - 145
SICI:
1464-4258(200103)3:2<144:GCFTEO>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
DISPERSION-RELATION; MEDIA;
Keywords:
optical anisotropy; propagation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
--discip_EC--
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Khorasani, S KNT Univ Technol, Dept Phys, 322 Mirdamad, Tehran, Iran KNT Univ Technol 322 Mirdamad Tehran Iran mad, Tehran, Iran
Citazione:
S. Khorasani, "Generalized conditions for the existence of optical axes", J OPT A-P A, 3(2), 2001, pp. 144-145

Abstract

In this paper, exact analytical forms of the normal surface in anisotropicmedia are obtained. Both the permittivity and permeability tensors are supposed to be anisotropic, becoming simultaneously diagonal in the principal system of coordinates. Sufficient conditions for the existence of two, one or no optical axes are established. As a special case, the pseudo-isotropicmedium is introduced, for which the birefringence completely vanishes while the crystal is still non-isotropic. Such a medium exhibits a zero-reflection coefficient for any polarization, incidence angle and wavelength, according to some constraints discussed here.

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Documento generato il 26/09/20 alle ore 05:29:40