OPTICS - POLARIZATION - BIREFRINGENCE	NC State University Faculty Access
Previous Next 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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