FOURIER DESCRIPTION OF THE PROPAGATION AND FOCUSING OF AN EXTRAORDINARY BEAM IN A PLANAR UNIAXIAL MEDIUM

Barabas M.; Szarvas G.

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FOURIER DESCRIPTION OF THE PROPAGATION AND FOCUSING OF AN EXTRAORDINARY BEAM IN A PLANAR UNIAXIAL MEDIUM

机译：平面单轴介质中非常规光束的传播和聚焦的更为详尽的描述

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The scalar-angular-spectrum approach is used to examine a focused extraordinary wave propagating along an arbitrary direction in a homogeneous uniaxial planar medium, and the Fraunhofer diffraction formula is generalized for this case. The size of the focal spot is found to be inversely proportional to an effective index, depending on the refractive indices and the propagation direction. The validity of the paraxial model is checked by nonparaxial (but scalar) numerical calculations. They show that the paraxial formulas predict the spot size correctly, but if the beam propagates neither parallel with nor perpendicular to the optic axis, they do not reproduce the symmetries of the amplitude distribution in the focal line. [References: 17]

机译：标量角频谱方法用于检查在均匀单轴平面介质中沿任意方向传播的聚焦异常波，并且针对这种情况推广了弗劳恩霍夫衍射公式。发现焦点的大小与有效折射率成反比例，取决于折射率和传播方向。旁轴模型的有效性通过非傍轴（但标量）数值计算来检查。他们表明近轴公式可以正确预测光斑大小，但是如果光束既不平行于光轴也不垂直于光轴传播，则它们不会在焦线上再现振幅分布的对称性。 [参考：17]

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《Applied optics》 |1995年第1期|共11页
作者
Barabas M.; Szarvas G.;
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正文语种 eng
中图分类光学;
关键词
Propagation; Focusing; Diffraction; Crystal optics; Planar waveguides; Aberrations; Fens design; Anisotropic media;

机译：传播;聚焦;衍射;晶体光学;平面波导;像差;透镜设计;各向异性介质;

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1. FOURIER DESCRIPTION OF THE PROPAGATION AND FOCUSING OF AN EXTRAORDINARY BEAM IN A PLANAR UNIAXIAL MEDIUM [J] . Barabas M., Szarvas G. Applied optics . 1995,第1期

机译：平面单轴介质中非常规光束的传播和聚焦的更为详尽的描述
2. Nonlinear light beam propagation in uniaxial crystals: nonlinear refractive index, self-trapping and self-focusing [J] . Qi Guo, Sien Chi Journal of optics, A. Pure and applied optics: journal of the European Optical Society . 2000,第1期

机译：单轴晶体中的非线性光束传播：非线性折射率，自陷和自聚焦
3. Invariant submodels describing a propagation of the ultrasonic beams in a cubically nonlinear medium without dissipation after self-focusing [J] . Chirkunov Yu A. International journal of non-linear mechanics . 2021,第Jula期

机译：不变子模型描述超声波梁在自聚焦后不耗散的立方非线性介质中的传播
4. ASYMPTOTIC DESCRIPTION OF ULTRAWIDEBAND, ULTRASHORT PULSED ELECTROMAGNETIC BEAM FIELD PROPAGATION IN A DISPERSIVE, ATTENUATIVE MEDIUM [C] . Kurt Edmund Oughstun Conference on ultra-wideband, short-pulse electromagnetics . 2002

机译：超空白的渐近描述，超短脉冲电磁束场在色散，衰减介质中的传播
5. Simulation of wave propagation in planar anisotropic slab waveguides using the beam propagation method. [D] . Talagery, Gautam Gurunandan. 1994

机译：使用光束传播方法模拟平面各向异性平板波导中的波传播。
6. An analytic Fourier domain description of shear wave propagation in a viscoelastic medium using asymmetric Gaussian sources [O] . Ned C. Rouze, a), Mark L. Palmeri, -1

机译：使用非对称高斯源的剪切波在粘弹性介质中传播的解析傅里叶域描述
7. Kinetic Description of Intense Beam Propagation Through a Periodic Focusing Field for Uniform Phase-Space Density [O] . Davidson, Ronald C., Qin, Hong, Tzenov, Stephan I., 2003

机译：用于均匀相空间密度的周期聚焦场强光束传播的动力学描述

FOURIER DESCRIPTION OF THE PROPAGATION AND FOCUSING OF AN EXTRAORDINARY BEAM IN A PLANAR UNIAXIAL MEDIUM

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