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Cellophane Between Polarizers
# 6H35.55

Description: Place various cellophane, plastic and tape between polarizers.

Purchased/Built: built

Setup Time: 5 min

Quant. in Demo Room: 2

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 24-09 Interesting designs show up when plates with layered cellophane are placed between crossed Polaroids
Meiners 35-6.4 A doubly refraction material between fixed and rotatable Polaroid sheets demonstrates color change with Polaroid rotation.
The American Journal of Physics AJP 49(9),881 A nice short explanation of interference colors and a kitchen table variation where the polarizer and analyzer are not obvious.

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