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PH 106 Brewster's Angle

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by

Richard Datwyler

on 22 February 2017

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Transcript of PH 106 Brewster's Angle

Brewster's Angle
When light hits a boundary, it will always reflect some part of the light back (following the laws of reflection.
At Brewster's angle the entire light will be horizontally polarized.
also interesting to note is that Brewster's angle and the refracted angle add up to 90 degrees.
What is the angle of reflection which results in 100% horizontal polarization if going from Air into oil (n=1.4)?
what would the Brewster's angle from oil into water?
This would require an incident angle of 74.6 hitting the air oil interface.
However this reflected light will be polarized horizontally, to some extent.
It will also refract some light through (Snell's law)
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