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  1. Acoustic Destabilization of Vortices

  2. Acoustic Destabilization of Vortices

  3. 所属分类：医疗

    • 发布日期：2013-10-24
    • 文件大小：1048576
    • 提供者：u012554878

  1. optical vortices

  2. Characterization of the focusing performance of axial line-focused spiral zone plates

  3. 所属分类：教育

    • 发布日期：2019-01-14
    • 文件大小：1048576
    • 提供者：weixin_44522890

  1. Drift shocks, explosions and vortices in inhomogeneous quantum magnetoplasma

  2. 非均匀量子磁等离子体中的漂移激波、爆破波和涡旋波，杨建荣，唐晓艳，从描述含密度梯度和温度梯度的非均匀量子磁流体的量子磁流体模型出发，考虑离子和中性粒子之间的碰撞效应，导出了一个二维非线性

  3. 所属分类：其它

    • 发布日期：2019-12-29
    • 文件大小：267264
    • 提供者：weixin_38641111

  1. Fluent技术基础与应用实例-王瑞金 张凯 王刚

  2. Fluent技术基础与应用实例-王瑞金 张凯 王刚 已打标签，这是第一版Fluent技术基础与应用实例 多孔介质流动。 ·一维风扇、热交换器性能计算 两相流问题。 复杂表面形状下的自由面流动。 12软件包相关知识 1.21 Fluent软件的组成 Fluent软件设计基于CFD软件群的思想,从用户需求角度出发,针对各种复杂流动和 物理现象,采用不同的离散格式和数值方法,以期在特定的领域内使计算速度、稳定性和 精度等方面达到最佳组合,从而可以高效率地解决各个领域的复杂流动计算问题。基于上 述思想,

  3. 所属分类：制造

    • 发布日期：2019-03-17
    • 文件大小：19922944
    • 提供者：qq_27206435

  1. 湍流学术论文

  2. 湍流层次结构实验研究学术论文，摘要：We have conducted a detailed analysis of scaling for longitudinal and transverse velocity structure functions in a turbulent free shear flow. The free shear flow is generated via a mixing layer under varying conditions of upstream f

  3. 所属分类：专业指导

    • 发布日期：2013-07-27
    • 文件大小：577536
    • 提供者：u011529397

  1. Structured laser beams: toward 2-μm femtosecond laser vortices

  2. Structured ultrashort-pulse laser beams, and in particular eigenmodes of the paraxial Helmholtz equation, are currently extensively studied for novel potential applications in various fields, e.g., laser plasma acceleration, attosecond science, and f

  3. 所属分类：其它

    • 发布日期：2021-03-01
    • 文件大小：1048576
    • 提供者：weixin_38565628

  1. Free-space optical data links based on coaxial sidelobemodified optical vortices

  2. We propose and demonstrate free-space optical data links based on coaxial sidelobe-modified optical vortices (CSMOVs). In contrast to the optical communication systems based on amplitude, frequency, or phase detection, the proposed scheme uses the ra

  3. 所属分类：其它

    • 发布日期：2021-02-23
    • 文件大小：555008
    • 提供者：weixin_38727453

  1. Propagation characteristics of orbital angular momentum modes at 810 nm in step-index few-mode fibers

  2. In free-space or in optical fibers, orbital angular momentum (OAM) multiplexing for information transmission has been greatly developed. The light sources used were well coherent communication bands, and the fibers used were customized. Here, we use

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：871424
    • 提供者：weixin_38543120

  1. Wavefront dislocations of Gaussian beams nesting optical vortices in a turbulent atmosphere

  2. A phase singularity of the light field created by interference of two Gaussian singular beams which propagate in a weak and near ground turbulent atmosphere is analyzed by the Rytov approximation and the short-term averaging method of the dislocation

  3. 所属分类：其它

    • 发布日期：2021-02-13
    • 文件大小：541696
    • 提供者：weixin_38748556

  1. Propagation dynamics of ring Airy Gaussian beams with cosine modulated optical vortices

  2. We numerically investigate the propagation properties of ring Airy Gaussian beams (RAGBs) with cosine modulated optical vortices (CMOV). In comparison to the common RAGBs without any modulation, the dynamic propagation of RAGBs with CMOV exhibits a u

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：1048576
    • 提供者：weixin_38596267

  1. Partially coherent vortex beams propagation in a turbulent atmosphere

  2. Based on the Rytov approximation and the cross-spectral density approximation for the mutual coherence function of the partially coherent field, the propagation properties of the partially coherent beams with optical vortices in turbulent atmosphere

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：261120
    • 提供者：weixin_38571104

  1. Solitary vortices in two-dimensional waveguide matrix

  2. Solitary vortices in two-dimensional waveguide matrix

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：1048576
    • 提供者：weixin_38732252

  1. Spiral autofocusing Airy beams carrying power-exponent-phase vortices

  2. We propose a new type of noncanonical optical vortex, named "power-exponent-phase vortex (PEPV)". The spiral focusing of the autofocusing Airy beams carrying PEPVs are experimentally demonstrated, and the physical mechanism is theoretically analyzed

  3. 所属分类：其它

    • 发布日期：2021-02-10
    • 文件大小：3145728
    • 提供者：weixin_38543749

  1. Generation and motion control of optical multi-vortex

  2. The generation and propagation dynamics of multiple optical vortices hosted in a Gaussian beam are experimentally demonstrated by use of the computer-generated holography. Fluid-like motions of the multi-vortex beam are observed owing to the helical

  3. 所属分类：其它

    • 发布日期：2021-02-10
    • 文件大小：3145728
    • 提供者：weixin_38687343

  1. Vortices formation induced by femtosecond laser filamentation in a cloud chamber filled with air and helium

  2. We report on the experimental observation of the airflow motion induced by an 800 nm, 1 kHz femtosecond filament in a cloud chamber filled with air and helium. It is found that vortex pairs with opposite rotation directions always form both below and

  3. 所属分类：其它

    • 发布日期：2021-02-07
    • 文件大小：362496
    • 提供者：weixin_38667835

  1. Diagnostics of the topological charge of optical vortex by a phase-diffractive element

  2. A phase-diffractive optical element is designed to measure the topological charge of optical vortices. We use the scalar diffraction theory to calculate the far-field diffraction patterns. The simulation results show that almost all of the power of t

  3. 所属分类：其它

    • 发布日期：2021-02-07
    • 文件大小：757760
    • 提供者：weixin_38694299

  1. Generation and propagation characteristics of electromagnetic vortices in radio frequency

  2. Electromagnetic vortices, which describe the orbital angular momentum (OAM) carrying waves with a helical phase front, have recently attracted much interest in a radio frequency domain due to their potential applications in many diverse areas. In an

  3. 所属分类：其它

    • 发布日期：2021-02-07
    • 文件大小：822272
    • 提供者：weixin_38727798

  1. Propagation of ring Airy Gaussian beams with optical vortices through anisotropic non-Kolmogorov turbulence

  2. Propagation of ring Airy Gaussian beams with optical vortices through anisotropic non-Kolmogorov turbulence

  3. 所属分类：其它

    • 发布日期：2021-02-07
    • 文件大小：1048576
    • 提供者：weixin_38709511

  1. Attosecond twisted beams from high-order harmonic generation driven by optical vortices

  2. Optical vortices are structures of the electromagnetic field with a spiral phase ramp about a point-phase singularity, carrying orbital angular momentum (OAM). Recently, OAM has been imprinted to short-wavelength radiation through high-order harmonic

  3. 所属分类：其它

    • 发布日期：2021-02-07
    • 文件大小：1048576
    • 提供者：weixin_38595689

  1. Mode selective coupler for optical vortices generation (Invited Paper)

  2. In this Letter, an effective method using a mode selective coupler (MSC), which is composed of a three-core fiber is presented to generate optical vortices (OVs). The conversions of OVs with different topological charges, 0→±1 and 0→±3, are simulated

  3. 所属分类：其它

    • 发布日期：2021-02-04
    • 文件大小：747520
    • 提供者：weixin_38709139
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