Spectroradiometry of Ultraviolet Radiation

Abstract

The principles underlying the construction of primary standard detectors and sources of ultraviolet radiation are considered. A double ionization chamber, proportional counter, and cryogenic radiometer with electrical displacement are used as the standard radiation detectors while synchrotron radiation the spectral characteristics of which are described on the basis of Schwinger’s theory serves as the standard source. Results of international key comparisons that confirm the high accuracy of the methods and instruments that have been developed at the All-Russia Research Institute of Optophysical Measurements (VNIIOFI) are presented.