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Proceedings Paper

Enhanced birefringence effects from subwavelength grating structures formed in uniaxial birefringent materials
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Paper Abstract

Sub-wavelength grating structures made in an isotropic medium induce form birefringence effects with the induced optical axis parallel to the grating vector. The phase shift between the two orthogonal electric field components exiting this grating varies linearly with the thickness of the grating. When a grating with sub-wavelength period is formed on a uniaxial birefringent material with the grating vector aligned parallel to is natural optical axis, the total effect is enhanced birefringence for the material. Smaller thickness of the material is required to achieve the same phase shift. If the natural optical axis and the induced optical axis lie within the surface plane and have an angle between them, the phase shift varies nonlinearly with the thickness of the grating.

Paper Details

Date Published: 22 September 1995
PDF: 10 pages
Proc. SPIE 2532, Application and Theory of Periodic Structures, (22 September 1995); doi: 10.1117/12.221235
Show Author Affiliations
Chien-Wei Han, Optical Sciences Ctr./Univ. of Arizona (United States)
Raymond K. Kostuk, Optical Sciences Ctr./Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 2532:
Application and Theory of Periodic Structures
Tomasz Jannson, Editor(s)

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