Development of advanced imaging radiometers

Details Development of advanced imaging radiometers Development of advanced imaging radiometers

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997adspr..19.1367k&link_type=abstract

Advances in Space Research, Volume 19, Issue 9, p. 1367-1370.

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Scientific paper

An imaging radiometer is one of the fundamental sensors for remote sensing. One of the most important targets of next generation imaging radiometers is to get hyper-spectral resolution and tuning capability. We developed a hyper-spectral resolution imaging radiometer which utilizes a prism for spectroscope, an area Si-CCD for visible and near IR detectors, and an area PtSi-CCD for short wave IR detector. One dimension of these CCDs takes care of spatial resolution and the other takes care of spectral resolution. Several flight tests showed the feasibility and the usefulness of the instrument. Then we developed a tunable spectro-polarimetrical imaging radiometer which uses an acousto-optic tunable filter(AOTF) as the spectroscopic/polarimetric element. Observation experiments of atmosphere showed that the instrument provided a very high spectral resolution of perpendicular and parallel polarizations simultaneously and very high speed tuning capability for observing wave length.

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