Plastic Birefringent Filters And System Applications

Alan M. Title

doi:10.1117/12.955404

10 August 1977 Plastic Birefringent Filters And System Applications

Alan M. Title

Proceedings Volume 0103, Systems Integration and Optical Design: Another Look; (1977) https://doi.org/10.1117/12.955404
Event: 1977 SPIE/SPSE Technical Symposium East, 1977, Reston, United States

Abstract

Using the Lockheed. Alternate Partial Polarizer Universal Filter technique, we have designed and built a tunable wideband birefringent filter that is all plastic. The plastics are polyvinyl alcohol and plastic polarizer. Using lamination techniques a 60 Å bandpass tunable filter has been constructed. The filter operates from 4200-8000 Å. A single knob tunes the filter by rotating po1arizers. Clear apertures of 10 to 30 cm can be constructed, with plastic filters. The cone angle can be 60° . The design, characteristics, and applications of these plastic filters are presented below.

Citation Download Citation

Alan M. Title "Plastic Birefringent Filters And System Applications", Proc. SPIE 0103, Systems Integration and Optical Design: Another Look, (10 August 1977); https://doi.org/10.1117/12.955404

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