Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Unsymmetric Bending - Angle of Neutral Axis01:15

Unsymmetric Bending - Angle of Neutral Axis

303
Unsymmetrical bending occurs when a structural member is subjected to bending moments in a plane that does not align with the member's principal axes. This scenario typically arises in beams and other structural components when loads are applied at non-ideal angles, introducing complexities in stress analysis.
When a bending moment is applied at an angle θ concerning the vertical axis of a symmetrical member, it can be resolved into components along the member's principal...
303
Properties of Enantiomers and Optical Activity02:24

Properties of Enantiomers and Optical Activity

17.0K
It is essential to understand the difference between chiral and achiral interactions and the implications thereof in optical activity and their applications. Just as our feet, which are chiral, interact uniquely with chiral objects, such as a pair of shoes, but identically with achiral socks, enantiomers of a molecule exhibit different properties only when they interact with other chiral media. An example of a significant implication from this facet is the phenomenon known as optical activity,...
17.0K
Plastic Deformations of Members with a Single Plane of Symmetry01:21

Plastic Deformations of Members with a Single Plane of Symmetry

88
When a structural member undergoes plastic deformation due to bending, it is crucial to understand the position of the neutral axis and the stress distribution. This member, characterized by a single plane of symmetry, exhibits a uniform stress distribution, with negative stress above the neutral axis and positive stress below. Notably, the neutral axis does not align with the centroid of the cross-section. This misalignment is typical in cases where the cross-section is not rectangular or...
88
Gauss's Law: Cylindrical Symmetry01:20

Gauss's Law: Cylindrical Symmetry

7.6K
A charge distribution has cylindrical symmetry if the charge density depends only upon the distance from the axis of the cylinder and does not vary along the axis or with the direction about the axis. In other words, if a system varies if it is rotated around the axis or shifted along the axis, it does not have cylindrical symmetry. In real systems, we do not have infinite cylinders; however, if the cylindrical object is considerably longer than the radius from it that we are interested in,...
7.6K
Gauss's Law: Planar Symmetry01:27

Gauss's Law: Planar Symmetry

7.9K
A planar symmetry of charge density is obtained when charges are uniformly spread over a large flat surface. In planar symmetry, all points in a plane parallel to the plane of charge are identical with respect to the charges. Suppose the plane of the charge distribution is the xy-plane, and the electric field at a space point P with coordinates (x, y, z) is to be determined. Since the charge density is the same at all (x, y) - coordinates in the z = 0 plane, by symmetry, the electric field at P...
7.9K
Plane Electromagnetic Waves I01:30

Plane Electromagnetic Waves I

3.6K
The existence of combined electric and magnetic fields that propagate through space as electromagnetic (EM) waves is the most significant prediction of Maxwell's equations. As Maxwell's equations hold in free space, the predicted electromagnetic waves do not require a medium for their propagation. An EM wave comprises an electric field, defined as the force per charge on a stationary charge, and a magnetic field, which is the force per charge on a moving charge.
The EM field is assumed...
3.6K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Characterization of fluoride fibers for the Optical Hawaiian Array for Nanoradian Astronomy project.

Applied optics·2005
查看所有相关文章

相关实验视频

Updated: Jun 29, 2025

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
00:07

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

8.5K

在非去极化光学系统中,一般化的中性轴.

Guy Perrin

    Journal of the Optical Society of America. A, Optics, image science, and vision
    |April 3, 2024
    PubMed
    概括

    本研究介绍了光学系统的概括中性轴,定义了线性极化,除了方向外,不受系统影响. 这种新的形式主义有助于描述极化性质,特别是当标准中立轴不存在时.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 极化光学 极化光学 极化光学
    • 干涉测量是干涉测量的方法.

    背景情况:

    • 光学系统的极化特性对于干扰计等应用至关重要.
    • 光学系统中的相位移动可能会导致连贯性损失,这突显了中性轴对边缘对比度的重要性.
    • 在光学系统中,标准中性轴,即保持极化状态,并不总是存在.

    研究的目的:

    • 为光学系统推广中性轴的概念.
    • 定义和调查一般化的中性轴的存在.
    • 提出一种新的形式主义来描述非去极化光学系统的极化性质.

    主要方法:

    • 将一般化的中性轴定义为直线极化,其方向被修改,但极化状态保持不变.
    • 对各种光学系统类别的这些普遍中性轴的存在进行调查.
    • 采用准统一的斯矩阵来近似的光学系统,一般化的中性轴不存在.

    主要成果:

    • 对于特定类型的光学系统,一般化的中性轴被证明存在.
    • 对于缺乏一般化的中性轴的系统,建议使用准单元斯矩阵的形式主义.
    • 这种方法为描述非去极化光学系统的极化行为提供了一种新的方法.

    更多相关视频

    Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
    08:01

    Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

    Published on: November 21, 2019

    7.1K
    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
    12:22

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

    Published on: August 4, 2018

    8.5K

    相关实验视频

    Last Updated: Jun 29, 2025

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    00:07

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019

    8.5K
    Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
    08:01

    Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

    Published on: November 21, 2019

    7.1K
    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
    12:22

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

    Published on: August 4, 2018

    8.5K

    结论:

    • 一般化的中性轴的概念提供了一个更全面的理解光学系统的极化.
    • 提出的准单元斯矩阵形式主义是分析光学系统的宝贵工具,特别是当没有精确的中性轴时.
    • 这项工作引入了一个新的方案来描述非去极化光学系统的极化特性.