Physics
Scientific paper
Oct 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pdoc.rept.....g&link_type=abstract
A procedure for determining the optical characteristics of a device for measuring illumination in the atmosphere of Venus Trans
Physics
Calibrating, Illuminance, Optical Properties, Photometers, Venus Atmosphere, Cadmium Selenides, Cadmium Sulfides, Photoconductors, Photodiodes, Spectral Bands
Scientific paper
A procedure is described for obtaining the calibration, angular and spectral characteristics of a broad band photometer used on Venera 9 and 10 spacecraft to measure the illuminance regime in five spectral intervals with respect to three directions. The photometer has three identical groups of photoreceivers on which light falls through fiber light guides. Each group contains three cadmium sulfide photoresistors with light filters, a cadmium selenide photoresistor and a silicon photodiode. The temperature of the photoreceivers is measured by thermistors installed in series with the receivers.
Golovin Yu. M.
Moshkin Ye. B.
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