Geometrical optics approach to the nematic liquid crystal grating: leading term formulas.
作者： H. M. Zenginoglou , J. A. Kosmopoulos
DOI: 10.1364/AO.28.003516
关键词: Grating 、 Computation 、 Monochromatic color 、 Diffraction 、 Diffraction grating 、 Optics 、 Geometrical optics 、 Liquid crystal 、 Physics 、 Light beam
摘要: Leading term approximative analytical formulas are derived for the powers of fringes formed by a periodically distorted homogeneous nematic layer, illuminated monochromatic light beam at normal incidence. The agreement between predictions and those direct numerical computation odd-order is restricted to very small distortions and, thus, low fringe power values. On other hand, respective comparison even-order gives quite satisfactory results provided sample sufficiently thick order low.
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