Abstract

The emphasis in this paper is on the circuitry aspect of the problem of converting a photographic Raman instrument into a photoelectric Raman spectrometer. The reconstructed instrument was tested by using a scanning-slit mechanism in the focal plane of the camera lens of a grating spectrograph. A photomultiplier tube served as the detector and was operated in a vacuum housing at the temperature of liquid nitrogen. A tetrode electrometer tube in a low gain circuit yielded a nearly linear output which was graphically recorded. A spiral mercury arc provided sufficient illumination to enable reproduction of intensity measurements to within ±1 percent at a scanning rate of about 3 cm−1 per second. An automatic range changing device extends the range of intensities which can be recorded on the normal ten-inch chart.

© 1953 Optical Society of America

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Corrections

R. F. Stamm, C. F. Salzman, and T. Mariner, "Errata," J. Opt. Soc. Am. 43, 409_2-409 (1953)
https://www.osapublishing.org/josa/abstract.cfm?uri=josa-43-5-409_2

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