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Proceedings Paper

Imaging spectrometry at visible and infrared wavelengths using image replication
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Paper Abstract

We describe a new filter that simultaneously achieves spectral filtering and image replication to yield a two-dimensional, snapshot spectral imager. Filtering is achieved by spectral demultiplexing; that is without rejection of light; so optical throughput efficiency is, in principle, unity. The principle of operation can be considered as a generalisation of the Lyot filter to achieve multiple bandpasses. We report on the design and experimental implementation of an eight-band system for use in the visible and the design of an eight-band long-wave infrared system.

Paper Details

Date Published: 6 December 2004
PDF: 9 pages
Proc. SPIE 5612, Electro-Optical and Infrared Systems: Technology and Applications, (6 December 2004); doi: 10.1117/12.580059
Show Author Affiliations
Andrew R. Harvey, Heriot-Watt Univ. (United Kingdom)
David W. Fletcher-Holmes, Heriot-Watt Univ. (United Kingdom)
Sean S. Kudesia, BAE Systems (United Kingdom)
Ciaran Beggan, BAE Systems (United Kingdom)


Published in SPIE Proceedings Vol. 5612:
Electro-Optical and Infrared Systems: Technology and Applications
Ronald G. Driggers; David A. Huckridge, Editor(s)

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