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Remote Sens. 2013, 5(3), 1204-1219; doi:10.3390/rs5031204

New Microslice Technology for Hyperspectral Imaging

1,2,* , 2
1 Australian Astronomical Observatory, P.O. Box 915, North Ryde, NSW 1670, Australia 2 Centre for Advanced Instrumentation, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK 3 Department of Physics, Durham University, South Road, Durham, DH1 3LE, UK 4 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.
Keywords: hyperspectral imaging; microslice; Integral Field Unit; spectroscopy; staring hyperspectral imager hyperspectral imaging; microslice; Integral Field Unit; spectroscopy; staring hyperspectral imager
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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