Physics – Optics
Scientific paper
Jul 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apopt..20.2528s&link_type=abstract
Applied Optics, vol. 20, July 15, 1981, p. 2528-2533. Swedish Board for Space Activities
Physics
Optics
1
Atmospheric Attenuation, Esa Satellites, Nitrous Oxides, Occultation, Ozonometry, Photometers, Centaur Launch Vehicle, Fabry-Perot Interferometers, Irradiance, Lens Design, Quartz, Solar Flux Density
Scientific paper
A solar irradiance photometer was launched on a pair of ESRO Centaure rockets. The instrument, a solar irradiance photometer, used six wavelength channels. Three of these channels were used to measure mesospheric ozone by the occultation method. Two other channels were equipped with 214-nm Fabry-Perot filters to monitor the absorption of sunlight required for the excitation of NO gamma-band fluorescence, which was measured by another instrument in the same payload. One of the 214-nm channels used a quartz lens, while the other used a glass lens. With a glass-quartz chopping technique, stray light with wavelengths longer than 300 nm could be eliminated. Since ozone is absorbing at 214 nm, these two channels were also used for measuring mesospheric ozone. By comparing the ozone measurements from the two 214-nm channels with the measurements from the three channels intended for ozone measurements, one can obtain the performance of the glass-quartz chopping method.
Schlyter P.
Witt Georg
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