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Published 2/2023MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHzLanguage: English | Size: 5.07 GB | Duration: 17h 22m
Geometrical, Wave, Physical, Quantum & Modern Optics: Famous Expents, Effects, Applications & Mathematical Models 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 expents: Double-slit expent, 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: Bners 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 expents. 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)Expents & 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 Borge Gobel 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 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 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 & Expents 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 expent Lecture 63 Diffraction: Single-slit expent 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 expent 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 & Schrodinger's cat: Double-slit expent 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 sonductors Lecture 144 Doping of a sonductor & P-n junction Lecture 145 Solar cells Lecture 146 Band gap deteing 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 ted 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] Schrodinger equation Lecture 163[Optional] Solving the Schrodinger equation for the hydrogen atom Lecture 164[Optional] Discussion of the nsystem 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 bners 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 expents 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 HomePage: gfxtra__Optics_fro.part1.rar.html gfxtra__Optics_fro.part2.rar.html gfxtra__Optics_fro.part3.rar.html gfxtra__Optics_fro.part4.rar.html
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