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Remote Sens. 2013, 5(3), 1204-1219;

New Microslice Technology for Hyperspectral Imaging

Australian Astronomical Observatory, P.O. Box 915, North Ryde, NSW 1670, Australia
Centre for Advanced Instrumentation, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK
Department of Physics, Durham University, South Road, Durham, DH1 3LE, UK
Department of Geography, Durham University, South Road, Durham, DH1 3LE, UK
Author to whom correspondence should be addressed.
Received: 30 October 2012 / Revised: 22 February 2013 / Accepted: 22 February 2013 / Published: 6 March 2013
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We present the results of a project to develop a proof of concept for a novel hyperspectral imager based on the use of advanced micro-optics technology. The technology gives considerably more spatial elements than a classic pushbroom which translates into far more light being integrated per unit of time. This permits us to observe at higher spatial and/or spectral resolution, darker targets and under lower illumination, as in the early morning. Observations of faint glow at night should also be possible but need further studies. A full instrument for laboratory demonstration and field tests has now been built and tested. It has about 10,000 spatial elements and spectra 150 pixel long. It is made of a set of cylindrical fore-optics followed by a new innovative optical system called a microslice Integral Field Unit (IFU) which is itself followed by a standard spectrograph. The fore-optics plus microslice IFU split the field into a large number of small slit-like images that are dispersed in the spectrograph. Our goal is to build instruments with at least hundreds of thousands of spatial elements. View Full-Text
Keywords: hyperspectral imaging; microslice; Integral Field Unit; spectroscopy; staring hyperspectral imager hyperspectral imaging; microslice; Integral Field Unit; spectroscopy; staring hyperspectral imager

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Content, R.; Blake, S.; Dunlop, C.; Nandi, D.; Sharples, R.; Talbot, G.; Shanks, T.; Donoghue, D.; Galiatsatos, N.; Luke, P. New Microslice Technology for Hyperspectral Imaging. Remote Sens. 2013, 5, 1204-1219.

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