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Part III: Optics
Exam Information
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Exam two covers Lectures 9 through 16. |
What You Should Know:
- How to use infinite system to solve finite system
- Continues limit: Wave equations!
- Solutions to wave equations: Normal modes (Progressing wave solutions standing waves)
- Matching the boundary of two systems: Reflection and transmission
- Longitudinal waves: Spring waves and sound waves
- EM waves: How to calculate electric field and magnetic field from one another, standing EM waves, energy density and Poynting vector
- Dispersive medium: Dispersive relation, Fourier transform, AM radio and Uncertainty Principle
- 2D and 3D waves: Normal modes, Snell’s Law
Practice Exam
Lecture Topics
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Lecture Video: Polarization, Polarizer
Prof. Lee discusses the concept of linearly, circularly and elliptical polarized waves. He focuses on the mathematical description of polarized waves. He also shows the way to produce polarized light using a polarizer in class.
Lecture Notes
Typed Notes for Lecture 17 (PDF - 1.2MB)
Handwritten Notes for Lecture 17 (PDF - 2MB)
Textbook Reading
Chapter 11: Two and Three Dimensions (PDF - 1.8MB)
Chapter 12: Polarization (PDF - 1.4MB) (through section 12.3)
In-class Demonstrations
| SEE IT IN THE LECTURE |
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| Total Internal Reflection |
| Fiber Optic Bundle |
| Polarization of Microwaves |
Lecture Topics
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Lecture Video: Wave Plates, Radiation
How do we generate electromagnetic waves? Prof. Lee discusses the answer to this equation in class and shows an accelerated charge could lead to radiation which could propagate to the edge of the universe.
Lecture Notes
Typed Notes for Lecture 18 (PDF - 2.2MB)
Handwritten Notes for Lecture 18 (PDF - 2.2MB)
Textbook Reading
Chapter 12: Polarization (PDF - 1.4MB) (section 12.4 to end)
In-class Demonstrations
Related Resources
Video: Radiating Charge from PhET Interactive Simulations project at the University of Colorado Boulder
Lecture Topics
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Lecture Video: Waves in Medium
Prof. Lee discusses the propagation of light in the dielectric medium. He also shows an interesting phenomenon, the Brewster’s angle, and demonstrates the effect in the class.
Lecture Notes
Typed Notes for Lecture 19 (PDF)
Handwritten Notes for Lecture 19 (PDF - 1.9MB)
Textbook Reading
Chapter 12: Polarization (PDF - 1.4MB) (section 12.4 to end)
Problem Set
In-class Demonstrations
| SEE IT IN THE LECTURE |
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| Brewster’s Angle and Brewster’s Angle |
Related Resources
Lecture Topics
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Lecture Video: Interference, Soap Bubble
The phenomena related to interference are discussed in this lecture. Prof. Lee explains the origin of the color on soap bubbles and performs an estimation on the thickness of a soap bubble.
Lecture Notes
Typed Notes for Lecture 20 (PDF)
Handwritten Notes for Lecture 20 (PDF - 1.6MB)
Textbook Reading
Chapter 13: Interference and Diffraction (PDF - 1.6MB)
Notes:
- Section 13.4.1 The Single Slit is important for this course
- Section 13.4.2 Near-field Diffraction is not covered, but interesting
- Section 13.4.4. δ “Functions” is not covered in this course
Problem Set
Problem Solving Help Video*
Accelerated Charges Radiating Electromagnetic Waves
Interference of Electromagnetic Waves
In-class Demonstrations
| SEE IT IN THE LECTURE |
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| Reflection off Soap Bubbles |
| Reflection off a Soap Film and Reflection off a Soap Film |
Related Resources
Video: A Soap Film by Kevin Osborn on YouTube
Video: Double Slit Experiment by Veritasium on YouTube
Webpage: Double-slit Experiment from Hitachi Group
* Note: These Problem Solving Help video was originally produced as part of a physics course that is no longer available on OCW.
Lecture Topics
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Lecture Video: Phased Radar, Single Electron Interference
Prof. Lee explains how phased radar works. He also discusses the implication of the single electron interference experiment and its relation to Quantum Physics.
Lecture Notes
Typed Notes for Lecture 21 (PDF - 3.2MB)
Handwritten Notes for Lecture 21 (PDF - 1.8MB)
Textbook Reading
Chapter 13: Interference and Diffraction (PDF - 1.6MB)
Notes:
- Section 13.4.1 The Single Slit is important for this course
- Section 13.4.2 Near-field Diffraction is not covered, but interesting
- Section 13.4.4. δ “Functions” is not covered in this course
In-class Demonstrations
| SEE IT IN THE LECTURE |
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| Ripple Tank (Interference of Two Point Sources) |
| Moiré Pattern |
| Single-Slit Diffraction with a Laser and Single-Slit Diffraction with a Laser |
Lecture Topics
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Lecture Video: Diffraction, Resolution
The phenomena related to diffraction are the focus of the lecture. Prof. Lee explains the mathematical description of the diffraction pattern of the wave traveling through a wide slit.
Lecture Notes
Typed Notes for Lecture 22 (PDF)
Handwritten Notes for Lecture 22 (PDF - 2MB)
Textbook Reading
Chapter 13: Interference and Diffraction (PDF - 1.6MB)
Notes:
- Section 13.4.1 The Single Slit is important for this course
- Section 13.4.2 Near-field Diffraction is not covered, but interesting
- Section 13.4.4. δ “Functions” is not covered in this course
In-class Demonstrations
| SEE IT IN THE LECTURE |
|---|
| Single-Slit Diffraction with a Laser |
Lecture Topics
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Lecture Video: Quantum Waves and Gravitational Waves
Prof. Lee makes the connection between what we have learned so far and Quantum Mechanics. He also explains the detection of the gravitational waves by LIGO using the knowledge learned in the previous lectures.
Lecture Notes
Typed Notes for Lecture 23 (PDF - 1.2MB)
Handwritten Notes for Lecture 23 (PDF - 4.6MB)
Textbook Reading
No readings
Lecture Topics
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Final exam covers Lectures 1 through 23 |
Lecture Video: Review for Final Exam
This class session is devoted to a review of the entire course in anticipation of the final exam.
Lecture Notes
No lecture notes
Textbook Reading
No readings
Related Resources
Note on Huygen’s Principal (PDF) from Stanford University
Course Info
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