Spectral imaging in a snapshot

Andrew R. Harvey; David W. Fletcher-Holmes; Alistair Gorman; Kirsten Altenbach; Jochen Arlt; Nick D. Read

doi:10.1117/12.604609

Spectral imaging in a snapshot

Andrew R. Harvey, David W. Fletcher-Holmes, Alistair Gorman, Kirsten Altenbach, Jochen Arlt, Nick D. Read

School of Engineering & Physical Sciences

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

43 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. Proof-of-concept demonstrations are reported for imaging of the ocular fundus and microscopy of fluorescently labelled living cells.

Original language	English
Article number	5694-19
Pages (from-to)	110-119
Number of pages	10
Journal	Progress in Biomedical Optics and Imaging
Volume	5694
DOIs	https://doi.org/10.1117/12.604609
Publication status	Published - 2005
Event	Spectral Imaging: Instrumentation Applications and Analysis III - San Jose, CA, United States Duration: 23 Jan 2005 → 23 Jan 2005

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AU - Gorman, Alistair

AU - Altenbach, Kirsten

AU - Arlt, Jochen

AU - Read, Nick D.

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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. Proof-of-concept demonstrations are reported for imaging of the ocular fundus and microscopy of fluorescently labelled living cells.

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T2 - Spectral Imaging: Instrumentation Applications and Analysis III

Y2 - 23 January 2005 through 23 January 2005

ER -

Spectral imaging in a snapshot

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