Abstract
The optical radiation caused by electron bombardment of metallic surfaces was tested for its use as a secondary standard source in the VUV. Aluminum of high purity was found to be a suitable target material. The reproducibility of the radiation is of the order of 4% to 2% for 0.11 < λ < 0.15 μm and 0.15 < λ < 0.27 μm, respectively. In the spectral region 0.17 μm to 0.27 μm, the source was calibrated absolutely by comparison with a deuterium lamp of known absolute intensity.
© 1971 Optical Society of America
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