About this Video
In this session, we show how the properties (wavelength, frequency, amplitude and polarization) of an electromagnetic wave can be determined from the equation that describes the wave and vice versa.
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- Electromagnetic Waves in a Vacuum (00:59:34)
- Transcript - PDF (English-US)
- Caption - SRT (English-US)
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- Review of Maxwell's equations. (0:04:54)
- Description of a plane polarized EM wave moving in the x-direction. (0:12:54)
- Similar wave but which is moving at 45 degrees to the x-axis. (0:10:24)
- Description of a circularly polarized EM wave. (0:09:54)
- Given the electric field of a standing EM wave, we derive the magnetic field. (0:03:29)
- For the above EM standing wave, we calculate the energy density and Poynting vector. (0:17:34)
Description of a plane polarized EM wave moving in the x-direction.
Similar wave but which is moving at 45 degrees to the x-axis.
Given the electric field of a standing EM wave, we derive the magnetic field.
For the above EM standing wave, we calculate the energy density and Poynting vector.