Instruments & Sensors

AISA Kestrel

AISA Kestrel imaging spectrometer used on the CALMIT airborne platform.

AISA Kestrel (Specim, Oulu, Finland): The Kestrel imaging spectrometer collects hyperspectral data with 2.4 nm full width half maximum (FWHM) at 1.75 nm spectral sampling intervals (356 bands in total) from 400 to 1000 nm. The lens focal length was 35.5 mm with a field of view (FOV) of 40◦.


AISA Ibis imaging fluorometer used on the CALMIT airborne platform.

AISA Ibis (Specim, Oulu, Finland): The AISA Ibis imaging fluorometer covers 670–780 nm with 0.245 nm spectral resolution (full width half maximum, FWHM) at a 0.11 nm sampling interval (1004 bands) and is essentially an imaging spectrometer with ultraspectral resolution. The FOV of Ibis is 32.3◦.

AISA Eagle

AISA Eagle imaging spectrometer. The AISA Kestrel is now used on the on the CALMIT airborne platform.

AISA Eagle (Specim, Oulu, Finland): The imaging spectrometer provides 400–970 nm hyperspectral images with 3.3 nm spectral resolution (FWHM). Spectral binning (approximately 10 nm) is used to increase signal-to-noise ratio (SNR) of the data. Imagery acquired with this band configuration has 63 bands across the 400–970 nm continuum.

CALMIT logo banner