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How do the 3d glasses create a circular polarization filter, and how do they select clockwise vs. counterclockwise?
in Grade 12 Physical Sciences by Wooden (3,139 points) | 9 views

1 Answer

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The glasses have 2 filters, one of which has two "slits" which let through light polarized in two directions, which will result in diagonal linear polarization. Then the second filter has a slit only with that one direction.

The other eye is the same way, except the first filter, will create (because the light "spins" the other way) a diagonal polarization rotated by 90° compared to the first, and the second filter, again, lets through only that light.
by Wooden (180 points)

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