NASA NTRS · 19780000027
Improved optical filter
Abstract
Filter includes partial polarizer between birefrigent elements. Plastic film on partial polarizer compensates for any polarization rotation by partial polarizer. Two quarter-wave plates change incident, linearly polarized light into elliptically polarized light.
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Title, A. M.. 1978-06-01. Improved optical filter. https://ntrs.nasa.gov/citations/19780000027
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