Economic infrared polarizer utilizing interference effects in films of polyethylene kitchen wrap.
An inexpensive, easily fabricated, high quality, large aperture, pile-of-plates type, ir polarizer has been constructed having a polarization constant and insertion loss of 98% and 20%, respectively, using films of polyethylene kitchen wrap, each film being tuned for maximum performance at 10.6 microm by stretching.
Rampton
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