scholarly journals Propagation of Airyprime beam in uniaxial crystal orthogonal to propagation axis

Optik ◽  
2021 ◽  
Vol 228 ◽  
pp. 166183
Author(s):  
Mert Bayraktar
Keyword(s):  
Uniaxial Crystal ◽  
Propagation Axis

scholarly journals Upconversion of Broadband Infrared Radiation into Visible Light for Different Pumping Parameters

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Man Nen Litvinova ◽  
Victor Krishtop ◽  
Evgeniy Tolstov ◽  
Vladimir Troilin ◽  
Larisa Alekseeva ◽  
...  
Keyword(s):  
Lithium Niobate ◽  
Visible Light ◽  
Light Beam ◽  
Infrared Radiation ◽  
Spectral Width ◽  
Uniaxial Crystal ◽  
Phase Matching ◽  
Pump Radiation ◽  
Broadband Radiation ◽  
Lithium Niobate Crystals

The influence of pump radiation parameters such as the polarization and the spectral width of infrared radiation on the conversion of broadband radiation in lithium niobate crystals was investigated. The spectra of converted radiation were calculated for two types of phase matching in the negative uniaxial crystal by taking into account the convergence of the light beam in the crystal. Experimental spectra were obtained and compared with the calculated spectra.

Ray equation for a spatially variable uniaxial crystal and its use in the optical design of liquid-crystal lenses

2007 ◽  
Vol 24 (7) ◽  
pp. 2089 ◽  
Author(s):  
Charles Jenkins ◽  
Richard Bingham ◽  
Kenneth Moore ◽  
Gordon D. Love
Keyword(s):  
Liquid Crystal ◽  
Optical Design ◽  
Uniaxial Crystal

Diffraction spread of spatially partially optical fields along the propagation axis

2008 ◽  
Author(s):  
R. Castaneda ◽  
R. Betancur ◽  
J. Carrasquilla ◽  
Niklaus Ursus Wetter ◽  
Jaime Frejlich
Keyword(s):  
Optical Fields ◽  
Propagation Axis

The Magnetic Anisotropy of Stretched Rubber as a Function of the Tension to Which It Is Subjected

1945 ◽  
Vol 18 (1) ◽  
pp. 8-9 ◽  
Author(s):  
Eugénie Cotton-Feytis
Keyword(s):  
Magnetic Field ◽  
Magnetic Anisotropy ◽  
Uniaxial Crystal ◽  
Horizontal Magnetic Field ◽  
First Approximation ◽  
The Difference ◽  
The Times ◽  
Angular Displacements ◽  
The Magnetic Field ◽  
Oscillation Method

Abstract From the standpoint of its magnetic anisotropy, stretched rubber is comparable in a first approximation to a uniaxial crystal, in which the direction of the axis is the same as the direction of elongation. It is possible to measure this anisotropy by means of the oscillation method used by Krishnan, Guha and Banerjee in studying crystals. The sample to be examined is suspended in a uniform horizontal magnetic field in such a manner that its axis is horizontal. It is then so arranged that the torsion of the suspension wire is zero when the rubber sample is in a position of equilibrium in the field. The times of oscillation T′ and T for very small angular displacements around this position, in the presence and then in the absence of the magnetic field, are then recorded. In this way the difference between the specific susceptibilities in the direction of the axis and in the horizontal direction perpendicular to the axis is calculated by application of the equation:

scholarly journals Electro-optical coupling of a circular Airy beam in a uniaxial crystal

2017 ◽  
Vol 25 (13) ◽  
pp. 14654 ◽  
Author(s):  
Guoliang Zheng ◽  
Shixiang Xu ◽  
Qingyang Wu ◽  
Qiong Wang ◽  
Zhengbiao Ouyang
Keyword(s):  
Uniaxial Crystal ◽  
Optical Coupling ◽  
Airy Beam

scholarly journals Nonparaxial propagation of the Chirped Airy vortex beams in uniaxial crystal orthogonasl to the optical axis

2018 ◽  
Vol 26 (2) ◽  
pp. 1290 ◽  
Author(s):  
Jianbin Zhang ◽  
Kangzhu Zhou ◽  
Jinhui Liang ◽  
Zhaoyu Lai ◽  
Xianglin Yang ◽  
...  
Keyword(s):  
Optical Axis ◽  
Uniaxial Crystal ◽  
Vortex Beams ◽  
Nonparaxial Propagation

A method for constructing solutions of homogeneous partial differential equations: localized waves

1992 ◽  
Vol 437 (1901) ◽  
pp. 673-692 ◽  
Keyword(s):  
Wave Equation ◽  
Partial Differential Equations ◽  
Differential Equations ◽  
Gordon Equation ◽  
Partial Differential ◽  
Wave Solutions ◽  
Propagation Axis ◽  
Potential Applications ◽  
Klein Gordon ◽  
Localized Waves

We introduce a method for constructing solutions of homogeneous partial differential equations. This method can be used to construct the usual, well-known, separable solutions of the wave equation, but it also easily gives the non-separable localized wave solutions. These solutions exhibit a degree of focusing about the propagation axis that is dependent on a free parameter, and have many important potential applications. The method is based on constructing the space-time Fourier transform of a function so that it satisfies the transformed partial differential equation. We also apply the method to construct localized wave solutions of the wave equation in a lossy infinite medium, and of the Klein-Gordon equation. The localized wave solutions of these three equations differ somewhat, and we discuss these differences. A discussion of the properties of the localized waves, and of experiments to launch them, is included in the Appendix.

First-principles study on the dielectric and transport properties of the LiNbO3-type CdPbO3

2017 ◽  
Vol 31 (05) ◽  
pp. 1750032
Author(s):  
Jing Zhang ◽  
San Huang Ke ◽  
Derwyn A. Rowlands
Keyword(s):  
Transport Properties ◽  
First Principles ◽  
Electronic Devices ◽  
Differential Resistance ◽  
Uniaxial Crystal ◽  
Dielectric Constants ◽  
First Principles Calculation ◽  
Electric Transport ◽  
Phonon Modes ◽  
Ir And Raman

Using first-principles calculation method, we have investigated the zone-center phonon modes, dielectric and transport properties of the LiNbO3-type CdPbO3. The results show that the relatively large peaks of infrared (IR) and Raman spectra mainly come from the [Formula: see text] and [Formula: see text] modes, respectively. The dielectric constant calculations reveal that this compound is positive uniaxial crystal and has the large dielectric constants. By investigating the electric transport properties using gold as electrode, the interesting negative differential resistance (NDR) effect can be observed, which reveals this compound should have important application in semiconducting electronic devices.

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