Polarized Light in Liquid Crystals and Polymers
Polarized Light in Liquid Crystals and Polymers deals with the linear optics of birefringent materials, such as liquid crystals and polymers, and surveys light propagation in such media with special attention to applications. It is unique in treating light propagation in micro- and nanostructured birefringent optical elements, such as lenses and gratings composed of birefringent materials, as well as the spatial varying anisotropic structures often found in miniaturized liquid crystal devices.
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2 Electromagnetic Waves in Anisotropic Materials
3 Description of Light Propagation with Rays
4 Stratified Birefringent Media
5 SpaceGrid TimeDomain Techniques
6 Organic Optical Materials
7 Practical Polarization Optics with the Microscope
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amplitude anisotropic aperture Appl birefringent Bragg calculated chiral cholesteric liquid crystal coefﬁcients color conﬁgurations conoscopic crossed polarizers defect deﬁned deformation devices dielectric tensor difﬁcult diffraction direction disclination domain efﬁciency elastic electric ﬁeld electrode Equation FDTD ﬁeld vector ﬁgure ﬁlm ﬁnd ﬁrst focal fringing ﬁelds Gaussian beam grating homeotropic index ellipsoid inﬂuence intensity interference isotropic Jones matrix Jones vector lens lenses Lett light propagation linear linear polarized liquid crystal cell liquid crystal display liquid crystal layer liquid crystal polymers magnetic ﬁeld matrix method microlenses microscope mode molecules nematic liquid crystal normal obtain optical axis optical elements optical properties orientation parallel parameters perpendicular phase proﬁle phase shift Phys planar alignment plane wave polarized light position pretilt reﬂection refractive index retardation rotation sample Scharf shown in Figure shows simulation smectic spatial structure substrate surface switchable switching texture thickness tilt angle transmission twist uniaxial voltage wavefront wavelength wavevector
Page 1 - ... analyzed with a quarter-wave plate and a linear polarizer. Any combination of the two is called a polariscope. Uses. A major industrial use of polarized light is in photoelastic stress analysis. Models of mechanical parts are made of a transparent plastic such as Bakelite, which becomes birefringent when stressed. Normal forces are applied to the model, which is then examined in a polariscope between crossed polarizers. Unstressed regions remain dark; regions under stress rotate the polarization...