3.3.1 Fermat Principle part1: Optical Path Length在线视频

光学课程列表：

Chapter 1 General Property of Wave(波的一般性质)

-1.0 History of Optics 光学的历史发展

--1.0 History of Optics

-1.1 Why Classical Wave Theory is Correct 经典理论为何正确

--1.1 Why Classical Wave Theory is Correct

-1.2 Wave and Wave Equation 波和波动方程

--1.2 Wave and Wave Equation

-1.3 Harmonic Wave 简谐波

--1.3 Harmonic Wave

-1.4 Phase Velocity and Phase Difference 相速度与相位差

--1.4 Phase Velocity and Phase Difference

-1.5 Superposition Principle 叠加原理

--1.5.1 Superposition Principle Part I

--1.5.2.Superposition Principle Part II

-1.6 Example of Superposition and Reciprocal Relation 叠加例子与反比关系

--1.6 Example of Superposition and Reciprocal Relation

-1.7 Euler Formula and Phasor 波的复数表达和旋转矢量表示

--1.7 Euler Formula and Phasor

-1.8 Doppler Effect 多普勒效应

--1.8.1 Doppler Effect Part I

--1.8.2 Doppler Effect Part II

-1.9 Doppler Broadening 多普勒展宽

--1.9 Doppler Broadening

-1.10 Plane Wave and Spherical Wave 平面波与球面波

--1.10 Plane Wave and Spherical Wave

-第一章习题

--习题

-第一章讲义

Chapter 2 Electro-Magnetic Wave(电磁波)

-2.1 Maxwell Equations(Maxwell 方程组)

--2.1 Maxwell Equations

-2.2 Wave Equation for E-M Field(电磁场的波动方程)

--2.2 Wave Equation for E-M Field

-2.3.1 Index of Refraction(折射率)

--2.3.1 Index of Refraction

-2.3.2 Understanding n from Dipoles(用偶极模型理解折射率)

--2.3.2 Understanding n from Dipoles

-2.4 E-M Wave is Transverse(电磁波是横波)

--2.4 E-M Wave is Transverse

-2.5 Energy Flow of E-M Wave(电磁波的能流)

--2.5 Energy Flow of E-M Wave

-2.6 Momentum and photo-Pressure(动量和光压)

--2.6 Momentum and photo-Pressure

-2.7.1 Dipole Oscillator 1(偶极振子1)

--2.7.1 Dipole Oscillator 1

-2.7.2 Dipole Oscillator 2(偶极振子2)

--2.7.2 Dipole Oscillator 2

-2.8 Radiation by Dipole Oscillator(偶极振子的辐射)

--2.8 Radiation by Dipole Oscillator

-第二章习题

--习题

-第二章讲义

Chapter 3 Light Propagation through Homogeneous and Isotropic Media

-3.1 Reflection and Refraction (反射与折射)

--3.1 Reflection and Refraction

-3.2 Huygens Principle（惠更斯原理）

--3.2 Huygens Principle

-3.3.1 Fermat Principle part1: Optical Path Length (费马原理第一部分：光程)

--3.3.1 Fermat Principle part1: Optical Path Length

-3.3.2 Fermat Principle part2: an Explanation (费马原理第二部分：一种解释)

--3.3.2 Fermat Principle part2: an Explanation

-3.4.1 Scattering Point of View 1 (散射图像1)

--3.4.1 Scattering Point of View 1

-3.4.2 Scattering Point of View 2 (散射图像2)

--3.4.2 Scattering Point of View 2

-3.5 Reflection and Refraction Rules Derived from Boundary Conditions of Maxwell Equations(利用Maxwell方

--3.5 Reflection and Refraction Rules Derived from Boundary Conditions of Maxwell Equations

-3.6.1 The Basic problem and Setup of Coordinates (基本问题和坐标系的建立)

--3.6.1 The Basic problem and Setup of Coordinates

-3.6.2 The Reflection and Transmission Coefficients (发射与透射系数)

--3.6.2 The Reflection and Transmission Coefficients

-3.6.3 Discussion on Amplitude of the Coefficients (对系数大小的讨论)

--3.6.3 Discussion on Amplitude of the Coefficients

-3.6.4 Discussion on Phase of the Coefficients (对系数位相的讨论)

--3.6.4 Discussion on Phase of the Coefficients

-3.7 Stokes Relation and Half Wavelength Difference (Stokes关系式和半波损)

--3.7 Stokes Relation and Half Wavelength Difference

-第三章习题

--习题

-第三章讲义

Chapter 4 Geometric optics(几何光学)

-4.1 Introduction(几何光学介绍)

--4.1 Introduction

-4.2 Important Jargons(重要的术语)

--4.2 Important Jargons

-4.3.1 Image formation by Spherical Surface and Paraxial Approxiamation(球面成像和傍轴近似)

--4.3.1 Image formation by Spherical Surface and Paraxial Approxiamation

-4.3.2 Image Formation Formula(成像公式)

--4.3.2 Image Formation Formula

-4.3.3 Example and Transverse Magnification(例题和横向放大率)

--4.3.3 Example and Transverse Magnification

-4.4 Thin Lens(薄透镜)

--4.4 Thin Lens

-4.5 Thick Lens(厚透镜)

--4.5 Thick Lens

-4.6.1 Matrix Treatment 1: Matrix for Propagation and Refraction(矩阵处理1：表示传播与折射的矩阵)

--4.6.1 Matrix Treatment 1: Matrix for Propagation and Refraction

-4.6.2 Matrix Treatment 2: Lens Matrix(矩阵处理2：透镜矩阵)

--4.6.2 Matrix Treatment 2: Lens Matrix

-4.6.3 Matrix Treatment 3: Relations between Matrix Elements and Cardinal Points(矩阵处理3：矩阵元与主点的联系)

--4.6.3 Matrix Treatment 3: Relations between Matrix Elements and Cardinal Points

-第四章习题

--习题

-第四章讲义

Chapter 5 Interference and Coherence(Part 1)

-5.0 What is Interference(什么是干涉)

--5.0 What is Interference

-5.1.1 Superposition of Waves: General Case(波叠加的通式)

--5.1.1 Superposition of Waves: General Case

-5.1.2 Adding Wave with Same Frequency and Direction(同频同向波的叠加)

--5.1.2 Adding Wave with Same Frequency and Direction

-5.1.3.1 Standing Wave 1 (驻波（上）)

--5.1.3.1 Standing Wave 1

-5.1.3.2 Standing Wave 2 (驻波（下）)

--5.1.3.2 Standing Wave 2

-5.1.4.1 Adding Waves with Different Frequencies 1: Beat and Group Velocity(不同频率波的叠加（上）：拍和群速度)

--5.1.4.1 Adding Waves with Different Frequencies 1: Beat and Group Velocity

-5.1.4.2 Adding Waves with Different Frequencies 2: Continuous Frequency Spectrum(不同频率波的叠加（中）：连续的频谱)

--5.1.4.2 Adding Waves with Different Frequencies 2: Continuous Frequency Spectrum

-5.1.4.3 Adding Waves with Different Frequencies 3: property of Wave Packet and Reciprocal Relation(不

--5.1.4.3 Adding Waves with Different Frequencies 3: property of Wave Packet and Reciprocal Relation

-5.2.1 Interference of Two Point Sources and Coherent Condition(两个点源的干涉和相干条件)

--5.2.1 Interference of Two Point Sources and Coherent Condition

-5.2.2 Young's Double-Slits Experiment(杨氏双缝干涉实验)

--5.2.2 Young's Double-Slits Experiment

-5.2.3 Another Treatment of Young's Interference, Paraxial and Far-field Condition(杨氏干涉的另一种处理，傍轴和远场条

--5.2.3 Another Treatment of Young's Interference, Paraxial and Far-field Condition

-Chapter 5 Interference and Coherence(Part 1)--第五章习

-5.3.0 Interference by Thin Film(薄膜干涉)

--5.3.0 Interference by Thin Film

-5.3.1 Equal Thickness Fringe(等厚干涉条纹)

--5.3.1 Equal Thickness Fringe

-5.3.2 Equal Inclination Fringe(等倾干涉条纹)

--5.3.2 Equal inclination Fringe

-5.3.3 Michelson Interferometer(Michelson干涉仪)

--5.3.3 Michelson Interferometer

-5.4.0 Multibeam Interference(多光束干涉)

--5.4.0 Multibeam Interference

-5.4.1.1 Derivation 1(理论推导（上）)

--5.4.1.1 Derivation 1

-5.4.1.2 Derivation 2(理论推导（下）)

--5.4.1.2 Derivation 2

-5.4.2.1 Discussion(结论与讨论)

--5.4.2.1 Discussion

-5.4.2.2 Application: F-P Interferometer(应用：F-P 干涉仪)

--5.4.2.2 Application: F-P Interferometer

-5.5.0 Coherence Theory(相干理论)

--5.5.0 Coherence Theory

-5.5.1 Spatial Coherence(空间相干性)

--5.5.1 Spatial Coherence

-5.5.2.1 Temporal Coherence(时间相干性)

--5.5.2.1 Temporal Coherence

-5.5.2.2 Coherent Time and Length(相干时间和相干长度)

--5.5.2.2 Coherent Time and Length

-5.5.3.1 Definition of Correlation Function(关联函数定义)

--5.5.3.1 Definition of Correlation Function

-5.5.3.2 Correlation Function and Coherence(关联函数与相干)

--5.5.3.2 Correlation Function and Coherence

-第五章习题（下）

--习题

-第五章讲义

Chapter 6(1)

-6.1 basic problem in diffraction(衍射的基本问题)

--6.1 basic problem in diffraction

-6.2.1 Huygens-Fresnel Principle and Kirchhoff Euation(惠更斯-菲涅耳原理和基尔霍夫方程)

--6.2.1 Huygens-Fresnel Principle and Kirchhoff Euation

-6.2.2 Fresnel and Fraunhoffer Diffraction(菲涅耳与夫琅和费衍射)

--6.2.2 Fresnel and Fraunhoffer Diffraction

-6.3.1 Fresnel Diffraction 1: Half Wavelength Plate(菲涅耳衍射1：半波带法)

--6.3.1 Fresnel Diffraction 1: Half Wavelength Plate

-6.3.2 Fresnel Diffraction 2: Phasor Method(菲涅耳衍射2：旋转矢量法)

--6.3.2 Fresnel Diffraction 2: Phasor Method

-6.3.3 Fresnel Diffraction 3: Opaque Disk and Babinet Principle(菲涅耳衍射3：圆屏衍射和Babinet原理)

--6.3.3 Fresnel Diffraction 3: Opaque Disk and Babinet Principle

-6.3.4 Fresnel Diffraction 4: Fresnel Zone Plate(an application)(菲涅耳衍射4：菲涅耳波带片（一个应用）)

--6.3.4 Fresnel Diffraction 4: Fresnel Zone Plate(an application)

-6.4.0 Fraunhoffer Diffraction: General Expression(夫琅和费衍射1：普遍表达形式)

--6.4.0 6.4.0 Fraunhoffer Diffraction: General Expression

-6.4.1.1 Single Slit Fraunhoffer Diffraction(单缝夫琅和费衍射)

--6.4.1.1 Single Slit Fraunhoffer Diffraction

-6.4.1.2 Characteristic of Single Slit Case(单缝衍射的特点)

--6.4.1.2 Characteristic of Single Slit Case

-6.4.2 Fraunhoffer Diffraction for Rectangular Window(矩形窗口的夫琅和费衍射)

--6.4.2 Fraunhoffer Diffraction for Rectangular Window

-6.4.3.1 Fraunhoffer Diffraction for Circular Aperture(圆孔的夫琅和费衍射)

--6.4.3.1 Fraunhoffer Diffraction for Circular Aperture

-6.4.3.2 Diffraction Limit on Resolution(分辨率的衍射极限)

--6.4.3.2 Diffraction Limit on Resolution

-第六章习题（上）

--习题

Chapter 6(2)

-6.5.1 Fraunhoffer Diffraction for 2-slits Case(双缝夫琅和费衍射)

--6.5.1 Fraunhoffer Diffraction for 2-slits Case

-6.5.2.1 Multi-slits Dffraction 1: Intensity distribution(多缝衍射1：光强分布)

--6.5.2.1 Multi-slits Dffraction 1: Intensity distribution

-6.5.2.2 Multi-slits Diffraction 2: Interference between Slits and Principal maxima(多缝衍射2：缝间干涉和主极大)

--6.5.2.2 Multi-slits Diffraction 2: Interference between Slits and Principal maxima

-6.5.2.3 Multi-slits Diffraction 3: Missing Order and Examples(多缝衍射3：缺级与例题)

--6.5.2.3 Multi-slits Diffraction 3: Missing Order and Examples

-6.5.3.1 Grating Spectrometer(光栅光谱仪)

--6.5.3.1 Grating Spectrometer

-6.5.3.2 Dispersion Relation of Grating Spectrometer(光栅光谱仪的色散关系)

--6.5.3.2 Dispersion Relation of Grating Spectrometer

-6.5.3.3 Dispersion Power and Resolution(色散能力和分辨率)

--6.5.3.3 Dispersion Power and Resolution

-6.5.3.4 Free Spectral Range(自由光谱程)

--6.5.3.4 Free Spectral Range

-第六章习题（下）

--习题

-第六章讲义

Chapter 7

-7.0 introducing Fourier expansion and transform(介绍傅里叶展开与变换)

--7.0

-7.1.1 Fourier transform for periodic functions(周期函数的傅里叶展开)

--7.1.1

-7.1.2 examples on Fourier expansion(傅里叶展开的例子)

--7.1.2

-7.2.1 Fourier transform for general functions(一般函数的傅里叶变换)

--7.2.1

-7.2.2 Fourier transforms of some typical functions and relation on width distribution(一些典型函数的傅里叶变换和分

--7.2.2

-7.3.1 Dirac delta function(狄拉克delta函数)

--Video7.3.1

-7.3.2 Fourier transform of the delta function(delta函数的傅里叶变换)

--7.3.2

-7.4.1 properties of Fourier transform(傅里叶变换的性质)

--7.4.1

-7.4.2 Fourier transform of derivatives(函数导数的傅里叶变换)

--7.4.2

-7.4.3 what is convolution between functions(函数的卷积是什么)

--7.4.3

-7.4.4 Fourier transform of convolution(卷积的傅里叶变换)

--7.4.4

-7.5 relation between fourier transform and Fraunhoffer equation(傅里叶变换与夫琅禾费衍射之间的关系)

--7.5

-7.6 Abbe image formation(阿贝成像原理)

--7.6

-Chapter 7--第七章习题

-第七章讲义

Chapter 8（上）

-8.1 what is polarization(什么是偏振)

--8.1

-8.2.1 how to express polarization state(如何表达偏振态)

--8.2.1

-8.2.2 unpolarized and partial polarized light(非偏振态和部分偏振态)

--8.2.2

-8.3 linear polarizer(线偏振片)

--8.3

-8.4.1.1 Jones vector（Jones 矢量）

--8.4.1.1

-8.4.1.2 Transformation of Jones Vector(Jones 矢量的变换)

--8.4.1.2

-8.4.2 Jones matrix(Jones 矩阵)

--8.4.2

-第八章（上）习题

--习题

Chapter 8（下）

-8.5.1 Birefringence and a simple illustration

--8.5.1 Birefringence and a simple illustration

-8.5.2 Ordinary and Extraordinary light

--8.5.2

-8.5.3 Typical Examples

--8.5.3

-8.6.1 application 1-linear polarizer

--8.6.1

-8.6.2.1 application 2-quarter wave plate

--8.6.2.1

-8.6.2.2 application 2-change polarization state by quarter wave-plate

--8.6.2.2

-8.6.2.3 application2-change direction of polarization by half-plate

--8.6.2.3

-8.7.1

--8.7.1

-8.7.2

--8.7.2

-8.7.3

--8.7.3

-8.7.4

--8.7.4

-8.8.1

--8.8.1

-8.8.2

--8.8.2

-8.8.3

--8.8.3

-第八章（下）习题

--习题

-第八章讲义

期末测试

-期末测试

--期末测试

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