УРЕД ЗА РЕГИСТРИРАНЕ И ИЗМЕРВАНЕ НА МНОГО СЛАБИ ИЗЛЪЧВАНИЯ В ДАЛЕЧНИЯ UV СПЕКТЪР НА МАГНИТОСФЕРАТА
APPARATUS FOR RECORDING AND MEASURING VERY WEAK RADIATIONS IN THE FAR UV SPECTRUM OF THE MAGNETOSPHERE

Author(s): Veselin Tashev, Angel Manev
Subject(s): Geography, Regional studies
Published by: Сдружение „Академия за иновации и устойчивост“
Keywords: ultraviolet emissions; photomultiplier; counting photons
Summary/Abstract: At the top of the atmosphere there are several ultraviolet emissions. The most important are Lα emissions at 121.6 nm and the oxygen emitted OI 130.4 nm and 135.6 nm. A new method with three independent channels for synchronous measurement of each of these lines is proposed. As a sensor for measuring such weak light fluxes used high performance Photomultiplier (PMT) R10825.The photon counting method is used to amplify and process very weak light signals. The intensity of the light is proportional to that number.

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