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  • AisaIBIS Hyperspectral Imager
Jun 2014
Spectral Imaging Ltd. (SPECIM)Request Info
OULU, Finland, June 17, 2014 — Designed with high spectral resolution, the aisaIBIS hyperspectral imager from Specim measures the fluorescence of plants to analyze health and vitality from photosynthetic activity.

Built for ground and airborne measurement, the aisaIBIS measures the fluorescence signal by applying the Fraunhofer Line Depth Method. The device meets the high spectral resolution requirement of 0.25 nm, a high dynamic range and high signal-to-noise ratio.

The aisaIBIS produces data for the development of fluorescence retrieval methods, and investigates the quantitative accuracy of fluorescence measurement. The device works as a precursor to a potential satellite instrument that may be able to provide global maps of vegetation fluorescence.


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The emission of light or other electromagnetic radiation of longer wavelengths by a substance as a result of the absorption of some other radiation of shorter wavelengths, provided the emission continues only as long as the stimulus producing it is maintained. In other words, fluorescence is the luminescence that persists for less than about 10-8 s after excitation.
1. In optics, the ability of a lens system to reproduce the points, lines and surfaces in an object as separate entities in the image. 2. The minimum adjustment increment effectively achievable by a positioning mechanism. 3. In image processing, the accuracy with which brightness, spatial parameters and frame rate are divided into discrete levels.
Pertaining to or as a function of wavelength. Spectral quantities are evaluated at a single wavelength.
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