نتایج جستجو برای: birefringence
تعداد نتایج: 4097 فیلتر نتایج به سال:
In this paper, the polarization response of a GaAs based two-photon absorption microcavity photodetector has been studied. The deviation in the dependence of the detector response from that of bulk GaAs is shown to be due to the birefringence of the cavity. A theoretical model based on the convolution of the cavity birefringence and the polarization dependence of two-photon absorption in GaAs i...
We propose a new analysis method of the Rayleigh backscattered field for the measurement of the birefringence spatial distribution in a single-mode optical fiber. The technique is based on a Polarization-OTDR set-up using a rotary linear polariser. We demonstrate that the birefringence distribution may be deduced from the measurement of the round-trip Mueller matrices derived from three POTDR t...
We have experimentally studied the polarization-dependent transmission properties of a nanoslit in a gold film as a function of its width. The slit exhibits strong birefringence and dichroism. We find, surprisingly, that the transmission of the polarization parallel to the slit only disappears when the slit is much narrower than half a wavelength, while the transmission of the perpendicular com...
We report the fabrication of what are believed to be the first microstructured optical fibers with uniformly oriented elliptical holes. A high degree of hole ellipticity is achieved with a simple technique that relies on hole deformation during fiber draw. Both form and stress-optic birefringence are characterized over a broad wavelength range. These measurements are in excellent agreement with...
Schmitt, Bear, and Ponder (1936, 1938) observed that the rabbit red cell ghost, prepared by freezing and thawing, is slightly birefringent. Extraction of the lipids and suspension of the ghosts in media of varying refractive indices led to the conclusion that a positive intrinsic birefringence, due to the radial orientation of lipid, is nearly balanced by a negative form birefringence due to th...
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