Imaging spectrometry at visible and infrared wavelengths using image replication

Andrew R. Harvey; David W. Fletcher-Holmes; S S Kudesia; Ciaran Beggan

doi:10.1117/12.580059

Imaging spectrometry at visible and infrared wavelengths using image replication

Andrew R. Harvey
, David W. Fletcher-Holmes
, S S Kudesia
, Ciaran Beggan

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

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.

Original language	English
Article number	25
Pages (from-to)	190-198
Number of pages	9
Journal	Proceedings of SPIE
Volume	5612
DOIs	https://doi.org/10.1117/12.580059
Publication status	Published - 2004
Event	Advanced Free-Space Optical Communications Techniques and Technologies - London, United Kingdom Duration: 27 Oct 2004 → 28 Oct 2004

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AU - Kudesia, S S

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AB - 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.

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JF - Proceedings of SPIE

M1 - 25

T2 - Advanced Free-Space Optical Communications Techniques and Technologies

Y2 - 27 October 2004 through 28 October 2004

ER -

Imaging spectrometry at visible and infrared wavelengths using image replication

Abstract

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