6.007 | Spring 2011 | Undergraduate

# Electromagnetic Energy: From Motors to Lasers

## Calendar

LEC # TOPICS KEY DATES
1 Introduction: iPhone components
2 Energy and power Problem set 1 out
3 Electrical vs. gas engine
4 Energy in electrical systems
5 Electrostatics (Gauss’s law and boundary conditions)
6 Magnetostatics (magnetic fields and forces)

Problem set 1 due

Problem set 2 out

Lab 1: DC motor, MATLAB, oscilloscope
7 Forces in magnetostatics (actuators)
8 Practical MQS systems (torroids, solenoids, magnets)
9 Magnetic materials

Problem set 2 due

Problem set 3 out

11 Magnetic circuits and transformers
12 Forces via energy conservation (energy method)
13 Stored energy and magnetic actuators

Problem set 3 due

Problem set 4 out

14 Energy conversion systems: rail guns
15 Dielectrics and dipoles
16 Practical dielectrics
17 Limits of statics and quasistatics
Lab 2: Shooting magnets
18 Linear systems, complex numbers and phasors
19 Electromagnetic waves (wave equation)

Problem set 4 due

Problem set 5 out

Exam 1
20 Examples of uniform EM plane waves (Poynting vector)
21 Generating EM waves: antennas
22 Interaction of atoms and EM waves (Lorentz oscillator)
23 Lossy EM waves
24 Polarized light and polarizers

Problem set 5 due

Problem set 6 out

25 Birefringence
26 Liquid crystal display (LCD) technology
27 Interference and diffraction
28 Diffraction and holography

Problem set 6 due

Problem set 7 out

Lab 3: Liquid crystal displays
29 Reflection and transmission of EM waves
30 EM reflection and transmission in layered media
31 Optical resonators
32 Refraction and Snell’s law

Problem set 7 due

Problem set 8 out

33 Fresnel equations and EM power flow
34 Waveguides (optical systems)
35 Wavepackets
36 Photon: quantum of energy

Problem set 8 due

Problem set 9 out

Lab 4: Spectrometer
37 Photon momentum and uncertainty
38 Examples of Heisenberg uncertainty principle
Exam 2
39 Schrodinger equation
40 Particle in a box
41 Reflection from a potential step
42 Tunneling

Problem set 9 due

Problem set 10 out

Lab 5: Quantum mechanical tunneling
43 Tunneling applications (flash memory, STM)
44 From atoms to molecules
45 Semiconductors
46 Light emitting diodes (LEDs)
47 Photodetectors, solar cells
48 Electron wavepackets and microscopic Ohm’s law Problem set 10 due
49 Quantum superposition and optical transitions
50 Lasers
Lab 6: Extra credit lab
51 Final exam review

## Course Info

Spring 2011
##### Learning Resource Types
Demonstration Videos
Problem Sets
Lecture Notes