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Proceedings Paper

Plastic Birefringent Filters And System Applications
Author(s): Alan M. Title
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Paper 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.

Paper Details

Date Published: 10 August 1977
PDF: 5 pages
Proc. SPIE 0103, Systems Integration and Optical Design: Another Look, (10 August 1977); doi: 10.1117/12.955404
Show Author Affiliations
Alan M. Title, Lockheed Solar Observatory (United States)

Published in SPIE Proceedings Vol. 0103:
Systems Integration and Optical Design: Another Look
Stanley Refermat, Editor(s)

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