Calibration of the Spectral Radiance of a Low Current Carbon Arc between 185 nm and 340 nm
Open Access
- 1 April 1978
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 33 (4) , 502-504
- https://doi.org/10.1515/zna-1978-0417
Abstract
The spectral radiance Lλ of a low current carbon arc (current 7.3 amps, voltage 65 V) has been calibrated in the spectral range from the air cut-off (λ ≈ 185 nm) to 340 nm with an uncertainty of ± 3% utilizing the electron synchrotron radiation of DESY, Hamburg. In the wavelength range above 260 nm these values differ by less than ± 6% from the measurements of Magdeburg and Schurer.Keywords
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