نتایج جستجو برای: birefringent medium

تعداد نتایج: 238135  

2007
Alex Figotin Ilya Vitebskiy

We consider a Fabry-Perot resonance a transmission band edge resonance in periodic layered structures involving birefringent layers. In a previous publication Phys. Rev. E 72, 036619 2005 we have shown that the presence of birefringent layers with misaligned in-plane anisotropy can dramatically enhance the performance of the photonic-crystal resonator. It allows us to reduce its size by an orde...

2008
Amir A Jalali Miguel Levy

A number of publications have discussed the propagation of electromagnetic waves in onedimensional birefringent stratified media [1, 2]. Of particular interest is the formulation pioneered by P. Yeh that employs a translation matrix approach for periodic structures. The propagation of light across a single period is analyzed in conjunction with Floquet’s theorem to determine the dispersion rela...

Journal: :Applied optics 1985
K Takada J Noda R Ulrich

Applications of single-mode fibers to coherent optical fiber communication systems1 and fiber sensor systems2 require a definite state of polarization along the fiber length. Polarization-maintaining fibers such as elliptically clad3 and stress-applied4 single-mode fibers have a high internal birefringence that exceeds perturbing birefringence and produces linear polarization along the fiber. O...

Journal: :Physical review applied 2021

We provide a vectorial model to simulate second-harmonic generation (SHG) in birefringent, transparent media with an arbitrary configuration of non-linear ($\chi^{(2)}$) crystalline grains. apply this on disordered assemblies LiNbO$_3$ and BaTiO$_3$ grains identify the influence birefringence random quasi-phase-matching process. show that monodispersed assemblies, relaxes grain-size dependence ...

2013
RAVENDRA KUMAR VARSHNEY Ravendra Kumar Varshney

Birefringent optical waveguides find use in a large number of applications such as coherent optical communication systems, interferometric fiber optic sensors, and polarization sensitive integrated optical devices. These waveguides include various polarization-maintaining optical fibers such as elliptical core fibers, bow tie fibers, and side tunnel fibers and integrated optical waveguides such...

The aim of this study was to develop a microemulsion system as a medium for laccase-catalyzed reactions. Phase behavior studies were conducted by constructing partial pseudo-ternary phase diagrams for systems comprising of cetyltrimethylammonium bromide (CTAB), various organic solvents as the oil phase (i.e., hexane, cyclohexane, heptane, octane, isooctane, toluene, isopropyl myristate), two co...

Journal: :Current Biology 2011
Michael F. Land

The eyes on the backs of molluscs known as chitons are shadow and motion detectors, the lenses of which are made of birefringent aragonite. These provide a focus both in and out of water.

Journal: :Optics letters 1985
G Sirat D Psaltis

A new method for recording holograms using incoherent light is described. The method is based on optical propagation through birefringent crystals. Optical methods for the reconstruction of such a hologram are also presented.

Journal: :Frontiers in Physics 2021

We describe experimental results exposing the possibilities of optical crystals, especially anisotropic and birefringent, for creation, control, diagnostics structured light fields with singular extraordinary properties. The efficiency birefringent media is demonstrated purposeful generation beams phase singularities (optical vortices) desirable patterns internal energy flows, in both mono- pol...

Journal: :Chemical communications 2004
I S Nandhakumar T Gabriel X Li G S Attard M Markham D C Smith J J Baumberg

Direct liquid crystal templating from non-ionic polyoxyethylene surfactants has been utilised to produce well-defined birefringent films of nanostructured cadmium telluride films which displayed good optical properties as evidenced by UV/VIS reflectance spectroscopy.

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