Abstract
THE photomultiplier sensitized to fluorescence has recently been used in the vacuum ultra-violet to measure intensities in the spectrum of the direct-current hydrogen arc1. The short-wave limit of this spectrum occurs at 850 A., however, and intensities are too low to be useful below 1000 A., while there are several regions of low intensity below 1500 A. Since most alternative sources of vacuum ultraviolet spectra make use of either sparks or pulsed discharges, it is desirable to adapt the photomultiplier to record the spectrum of such an intermittent source.
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References
Johnson, Watanabe and Tousey, J. Opt. Soc. Amer., 41, 702 (1951). Bolton and Williams, Brit. J. App. Phys., 4, 6 (1953).
Tobin, Grundfest and Schoenfeld, Rev. Sci. Instr., 22, 189 (1951).
Steinhaus, Crosswhite and Dieke, J. Opt. Soc. Amer., 43, 257 (1953).
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MASLEN, V., MEHABRY, M. & WILLIAMS, S. Measurement of Spark Spectrum Intensities in the Vacuum Ultra-Violet with a Photomultiplier sensitized to Fluorescence. Nature 173, 76–77 (1954). https://doi.org/10.1038/173076a0
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DOI: https://doi.org/10.1038/173076a0
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