"Multisphere" system of radiometric calibration of precise space borne optoelectronic instruments for remote sensing

1Mikheenko, LA, 1Borovytskyi, VN
1National Technical University of Ukraine “Kyiv Polytechnic Institute”, Kyiv, Ukraine
Kosm. nauka tehnol. 2014, 20 ;(4):22-30
Section: Space Instruments
Publication Language: Ukrainian

We propose new procedures, schemes and apparatus for the calibration of precise electro-optical instruments for remote sensing and for the absolutization of measurements of energetic characteristics. The procedures and schemes apply the light source based on optically-interconnected integrating spheres. For typical light source design the output radiance is up to 600 W/(st·m2) with dynamic range 1 000 000 and non-uniformity of the radiance throughout the output aperture is 0.5 %. That guarantees a high metrological level of the measurements using the components available in Ukraine.

Keywords: calibration, instruments for remote sensing, metrology

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