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New microslice technology for hyperspectral imaging.

Content, R. and Blake, S. and Dunlop, C. and Nandi, D. and Sharples, R. and Talbot, G. and Shanks, T. and Donoghue, D.N.M. and Galiatsatos, N. and Luke, P. (2013) 'New microslice technology for hyperspectral imaging.', Remote sensing., 5 (3). pp. 1204-1219.


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.

Item Type:Article
Keywords:Hyperspectral imaging, Microslice, Integral Field Unit, Spectroscopy, Staring hyperspectral imager.
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Available under License - Creative Commons Attribution.
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Publisher statement:This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Date accepted:22 February 2013
Date deposited:13 October 2015
Date of first online publication:March 2013
Date first made open access:No date available

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