Lecture 18: Wave Plates, Radiation

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Lecture Topics

  • Wave plates
  • Quarter wave plate
  • Radiation
  • Oscillating charge
  • Dipole radiation

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.

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Lecture Notes

This resource may not render correctly in a screen reader.Typed Notes for Lecture 18 (PDF - 2.2MB)

This resource may not render correctly in a screen reader.Handwritten Notes for Lecture 18 (PDF - 2.2MB)

Textbook Reading

Chapter 12: Polarization (PDF - 1.4MB) (section 12.4 to end) 

In-class Demonstrations

HOW IT'S DONE SEE IT IN THE LECTURE
Polarizing Filters and Light @ 00:20:09 and @ 01:12:38
Polarization in a Sugar Solution @ 00:25:07
Polarization of Radio Waves (Dipole Antenna) @ 01:07:32 and @ 01:18:21

Related Resources

Video: Radiating Charge from PhET Interactive Simulations project at the University of Colorado Boulder

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