Optics From Beginner To Expert – The Physics Of Light

Free Download Optics From Beginner To Expert - The Physics Of Light
What you'll learn
Geometrical optics: Reflection & Refraction for understanding Mirrors & Lenses
Wave optics: Diffraction, Interference & Polarization of light as a wave explained by Huygens' principle & Electrodynamics
Quantum optics: Energy, Momentum & Spin of light as photons
Famous experiments: Double-slit experiment, Photoelectric effect, Compton effect & many more
Solar cells & LASER as modern light technologies
Mathematical descriptions and derivations: From Maxwell's equations to Fresnel equations
Exercises and applications of cool phenomena like Birefringence & Dichroism
Modern optics phenomena like Holography & Fourier optics
Requirements
Basic mathematics
Recommended: What are derivatives and vectors?
Description
This course is for everyone who wants to learn about optics: Beginners to experts!A bit of high school mathematics (trigonometry, equations) is all you need to know to get started!The fundamental question of optics is: 'What is light?' Is light a ray or a beam that can be fully described by geometry? Is light a wave that can interfere with other waves and can bend around corners? Does light consist of particles that have an energy and a momentum just like electrons or even macroscopic objects like a football? Here, we will discuss all of these approaches based on theory and experiments. I can guarantee that you will learn a lot no matter what your current skill level is. For advanced students: The later lectures about wave and quantum optics are on a university level.You are kindly invited to join this carefully prepared course in which we derive the following concepts from scratch. I will present examples and have prepared quizzes and exercises for all topics.Geometrical optics (3 hours)Reflection & MirrorsRefraction & LensesApplications: Eye, Microscope & TelescopeWave optics (or physical optics) (8.5 hours)Experiments & Phenomenological description (incl. introduction about derivatives and differential equations)Diffraction, interference & PolarizationTheory based on Maxwell's equations (incl. introduction to complex numbers)Electromagnetic waves in matter: Derivation of the Fresnel equations & Complex refractive indicesQuantum optics (4.5 hours)Photons: Quantum description of light (Photoelectric effect, Compton effect)Applications: LASER & Solar cellIntroduction to quantum mechanicsOutlook: Modern optics phenomenaWhy me?My name is Börge Göbel and I am a postdoc working as a scientist in theoretical physics. Therefore, I use presented concepts very often but I have not forgotten the time when I learned about it and still remember the problems that I and other students had. I have refined my advisor skills as a tutor of Bachelor, Master and PhD students in theoretical physics and have other successful courses here on Udemy.I hope you are excited and I kindly welcome you to our course!
Overview
Section 1: Introduction
Lecture 1 Structure of this course
Lecture 2 Light throughout history & Overview of this course
Lecture 3 Download the slides
Section 2: Geometrical optics: Reflection & Mirrors
Lecture 4 Section intro
Lecture 5 Overview
Lecture 6 Reflection
Lecture 7 Mirrors: Real versus virtual images
Lecture 8 Concave mirrors
Lecture 9 Concave mirrors: Image construction
Lecture 10 Convex mirrors
Lecture 11 Convex mirrors: Image construction
Lecture 12 Calculating the image size for mirrors
Lecture 13 Calculating the image distance for mirrors
Lecture 14 Focal length & Optical power
Lecture 15 Reflecting telescope
Lecture 16 About quizzes and exercises
Lecture 17[Exercises] Geometrical optics: Reflection & Mirrors
Lecture 18[Solution] Exercise 1: Convex mirror
Lecture 19[Solution] Exercise 2: Focus of a reflecting telescope
Lecture 20[Solution] Exercise 3: Spherical versus parabolic mirror
Lecture 21 Speed of light: Fizeau's method
Lecture 22 Section summary & Outlook
Lecture 23 Slides of this section
Section 3: Geometrical optics: Refraction & Lenses
Lecture 24 Section intro
Lecture 25[Optional Mathematics] Derivatives
Lecture 26 Overview
Lecture 27 Refraction & Refractive index
Lecture 28 Total reflection
Lecture 29 Fermat's principle
Lecture 30 Snell's law: Refraction derived from Fermat's principle
Lecture 31 Lenses
Lecture 32 Convex lenses
Lecture 33 Concave lenses
Lecture 34 Lensmaker's equation
Lecture 35[Exercises] Geometrical optics: Refraction & Lenses
Lecture 36[Solution] Exercise 1: Refraction from water to glass
Lecture 37[Solution] Exercise 2: Concave lens
Lecture 38[Solution] Exercise 3: Proof of equations for image size and length
Lecture 39 Microscope
Lecture 40 Eye
Lecture 41 Optical aberrations
Lecture 42 Dispersion & Colors of light
Lecture 43 Section summary & Outlook
Lecture 44 Slides of this section
Section 4: Wave optics: Huygens' principle, phenomenology & Experiments
Lecture 45 Section intro
Lecture 46[Mathematical basics] Partial derivatives
Lecture 47[Mathematical basics] Basics of differential equations
Lecture 48 Dispersion of light
Lecture 49 Waves: Solution of the wave equation & Mathematical function
Lecture 50 Wave length in different materials
Lecture 51 Refraction of waves
Lecture 52 Superposition of waves: Interference
Lecture 53 Group & Phase velocity of waves
Lecture 54 Standing waves
Lecture 55 Measuring the wave length by interference
Lecture 56 Thin-film interference
Lecture 57[Exercises] Waves
Lecture 58[Solution] Waves
Lecture 59[Solution] Interference
Lecture 60 Spherical waves (or circular waves)
Lecture 61 Huygens' principle
Lecture 62 Double-slit experiment
Lecture 63 Diffraction: Single-slit experiment
Lecture 64 Diffraction grating
Lecture 65 Angular resolution limit & Rayleigh criterion
Lecture 66 Polarization
Lecture 67 Polarizer
Lecture 68 Birefringence
Lecture 69 Polarization by reflection & Brewster angle
Lecture 70[Exercise] Light as a wave
Lecture 71[Solution] Double-slit experiment
Lecture 72[Solution] Polarization
Lecture 73 Section summary & Outlook
Lecture 74 Slides of this section
Section 5: Wave optics: Theory based on Maxwell's equations
Lecture 75 Section intro
Lecture 76[Mathematical basics] Nabla operator & Multidimensional derivatives
Lecture 77[PART 1] Starting with Maxwell's equations
Lecture 78 Maxwell's equations
Lecture 79[Optional] Origin of Maxwell's equations
Lecture 80 Energy of electromagnetic fields & Poynting vector
Lecture 81[PART 2] Continuing with light as a solution to Maxwell's equations in vacuum
Lecture 82[Mathematical basics] Complex numbers 1/4 - What are complex numbers?
Lecture 83[Mathematical basics] Complex numbers 2/4 - Addition, subtraction, complex plane
Lecture 84[Mathematical basics] Complex numbers 3/4 - Multiplication & division
Lecture 85[Mathematical basics] Complex numbers 4/4 - Exponentials & polar representation
Lecture 86[Exercises] Complex numbers
Lecture 87[Solutions] Complex numbers
Lecture 88 Wave equation derived from Maxwell's equations in vacuum
Lecture 89 Discussion: Real versus complex quantities
Lecture 90 Light as an electromagnetic wave: Dispersion relation & Wave packet
Lecture 91 Characterization of electromagnetic waves
Lecture 92 Polarization of light
Lecture 93 Poynting vector: Intensity & Radiation pressure
Lecture 94[Exercises] Light as an electromagnetic wave
Lecture 95[Solution] Light as an electromagnetic wave
Lecture 96 Section outro
Lecture 97 Slides of this section
Section 6: Wave optics: From Maxwell's equations in matter to the Fresnel equations
Lecture 98 Section intro
Lecture 99[PART 1] Maxwell's equations in matter
Lecture 100 Polarization of matter
Lecture 101 Magnetization of matter
Lecture 102 Maxwell's equations in matter
Lecture 103 Electric field E, Displacement field D, Magnetic flux B and Magnetizing field H
Lecture 104[PART 2] Fresnel's equations
Lecture 105 Light in a medium
Lecture 106 Light in a medium: Refractive index
Lecture 107 Impedance & Admittance
Lecture 108 Interface conditions for electromagnetic fields
Lecture 109 Wave vectors at an interface
Lecture 110 Reflection of s-polarized light
Lecture 111 Reflection of p-polarized light
Lecture 112 Fresnel equations: Reflectivity & Transmissivity
Lecture 113[Exercise] Fresnel equations
Lecture 114[Solution] Fresnel equations: Perpendicular incidence
Lecture 115[Solution] Fresnel equations: Grazing incidence
Lecture 116 Fresnel equations: Total reflection
Lecture 117 Fresnel equations: Brewster angle
Lecture 118[PART 3] Complex refractive index
Lecture 119 Attenuation & Opacity
Lecture 120 Complex refractive index derived from a damped harmonic oscillator
Lecture 121 Complex refractive index in gases and thin media
Lecture 122 Typical frequency dependence of the refractive index
Lecture 123 Birefringence & Dichroism
Lecture 124 Waveplates: manipulating polarization - Quarter-wave & Half-wave plates
Lecture 125 Section outro
Lecture 126 Slides of this section
Section 7: Quantum optics: Photons, quantum properties of light & Photoelectric effect
Lecture 127 Section intro
Lecture 128 What is light? Summary of the wave-like properties discussed so far
Lecture 129 Photoelectric effect: Light as a particle & Energy of a photon
Lecture 130 Photon: Energy and intensity
Lecture 131 Particle-wave dualism for light and matter
Lecture 132 Heisenberg's uncertainty & Schrödinger's cat: Double-slit experiment revisited
Lecture 133 Black-body radiation & Ultraviolet catastrophe
Lecture 134 Planck's law
Lecture 135 Compton effect
Lecture 136 Momentum of a photon & Explanation of the Compton effect
Lecture 137 Spin of a photon
Lecture 138 Photons versus electrons
Lecture 139 Section outro
Lecture 140 Slides of this section
Section 8: Solar cells: Photoelectric effect applied to photovoltaics
Lecture 141 Section intro
Lecture 142 Solar energy: Photons generated in the sun
Lecture 143 Band structure of semiconductors
Lecture 144 Doping of a semiconductor & P-n junction
Lecture 145 Solar cells
Lecture 146 Band gap determining the figure of merit of a solar cell
Lecture 147 Shockley-Queisser limit of solar cells' efficiency
Lecture 148 Alternative geometries of solar cells
Lecture 149[Exercise] Cost efficiency of solar cells
Lecture 150[Solution] Cost efficiency of solar cells
Lecture 151 Section outro
Lecture 152 Slides of this section
Section 9: From absorption & Emission of photons to LASER application
Lecture 153 Section intro
Lecture 154 Energy levels of electrons in an atom: Bohr model
Lecture 155 Example: Energy levels of hydrogen and relation to emitted photons
Lecture 156 Absorption, stimulated emission and spontaneous emission of photons
Lecture 157 LASER: Pumping for inversion
Lecture 158 LASER: Resonator
Lecture 159 LASER: Helium-neon as an example
Lecture 160 Coherence of light
Lecture 161[Optional] Where do the energy levels come from?
Lecture 162[Optional] Schrödinger equation
Lecture 163[Optional] Solving the Schrödinger equation for the hydrogen atom
Lecture 164[Optional] Discussion of the eigensystem of the hydrogen atom
Lecture 165 Section outro
Lecture 166 Slides of this section
Section 10: Modern light phenomena
Lecture 167 Section intro
Lecture 168 Fourier optics
Lecture 169 Holography
Lecture 170 Non-linear optics
Lecture 171 Second-harmonic generation
Lecture 172 Section outro
Lecture 173 Slides of this section
Lecture 174 Thank you & Goodbye
Lecture 175 Follow me & My other courses
All skill levels from beginners to experts: The sections differ in difficulty from easy (geometrical optics) to advanced (quantum optics),Everyone who wants to understand 'What is light?' from several perspectives,Students who want to understand the famous experiments and phenomena related to light,The more advanced sections are especially for college and university students who are also interested in the mathematical description of the effect


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