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Proceedings Paper

Theory Of Dispersive Birefringent Filters
Author(s): Pochi Yeh; John Tracy
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Paper Abstract

Polarization interference filters that employ crystals with a strong dispersion of birefringence as the wave plates can provide a very narrow band pass width by using very thin crystal plates. If in addition, the birefringence is small, this filter can accommodate a very wide field-of-view. It is noted, in particular, that CdS exhibits a strong dispersion in the spectral regime between 5200 Å and 5400 Å, with a rate of dispersion that could provide a passband of only 1 Å with a filter structure of several millimeters thick. This paper investigates the properties of these filters. The results are presented and discussed.

Paper Details

Date Published: 21 July 1981
PDF: 7 pages
Proc. SPIE 0268, Imaging Spectroscopy I, (21 July 1981); doi: 10.1117/12.959940
Show Author Affiliations
Pochi Yeh, Rockwell International Science Center (United States)
John Tracy, Rockwell International Science Center (United States)


Published in SPIE Proceedings Vol. 0268:
Imaging Spectroscopy I
David D. Norris, Editor(s)

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