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22 September 2009Traceable calibration of radiation sources from the visible to the far infrared for space borne applications at PTB
The Physikalisch-Technische Bundesanstalt (PTB) has developed dedicated instrumentations and methods for the
traceable calibration of space borne instruments in terms of the three fundamental radiometric units, i.e. spectral radiance
(radiation temperature), spectral radiant intensity and spectral photon flux. The traceable calibration under conditions
similar to the space environment is achieved by use of two major radiometric calibration facilities of PTB, the Spectral
Radiance Comparator Facility (SRCF) and the Reduced Background Calibration Facility (RBCF) which are part of the
Primary Temperature Radiator Facility of PTB and cover the wavelength range from the UV to the FIR (THz range). The
improved detector instrumentations of the SRCF and RBCF, detailed calibration schemes and results of calibrations for
space missions are presented.
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R. D. Taubert, C. Monte, B. Gutschwager, J. Hartmann, J. Hollandt, "Traceable calibration of radiation sources from the visible to the far infrared for space borne applications at PTB," Proc. SPIE 7474, Sensors, Systems, and Next-Generation Satellites XIII, 747413 (22 September 2009); https://doi.org/10.1117/12.830082