Abstract

The ultraviolet spectral response characteristics of several 1P28 photomultipliers constructed in quartz envelopes, and of conventional 1P28 photomultipliers in glass were measured using a vacuum grating monochromator equipped with a thermocouple for measuring the absolute energy at the exit slit. The radiation source was a hydrogen discharge tube. The quartz multipliers were found to respond to 1550A and the glass multipliers to 1750A. The limits and response near the limits were determined by the absorption of the respective envelopes. Each type responded to a small extent at wavelengths below the enevlope transmission limits, because of fluorescence of the envelope. The response at 2537A varied over the same range for both types.

© 1951 Optical Society of America

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Corrections

L. Dunkelman and C. Lock, "Errata*: Ultraviolet Spectral Sensitivity Characteristics of Photomultipliers Having Quartz and Glass Envelopes.," J. Opt. Soc. Am. 41, 1071_5-1071 (1951)
https://www.osapublishing.org/josa/abstract.cfm?uri=josa-41-12-1071_5

References

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  1. R. W. Engstrom, J. Opt. Soc. Am. 37, 420 (1947).
    [Crossref]
  2. Tousey, Johnson, Richardson, and Toran, J. Opt. Soc. Am. 41, 696 (1951).
    [Crossref]
  3. Johnson, Watanabe, and Tousey, J. Opt. Soc. Am. 41, 702 (1951).
    [Crossref]
  4. D. M. Packer and C. Lock, J. Opt. Soc. Am. 41, 699 (1951).
    [Crossref]

1951 (3)

1947 (1)

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Figures (6)

Fig. 1
Fig. 1

A standard 1P28 photomultiplier (left) and a photomultiplier with quartz envelope.

Fig. 2
Fig. 2

Response of quartz photomultiplier No. 661–20 to the spectrum of a hydrogen discharge tube. The dispersing system was a vacuum monochromator having a band width of 1.7A at half-maximum.

Fig. 3
Fig. 3

Comparison of the absolute spectral response curves of a 1P28 and a quartz photomultiplier.

Fig. 4
Fig. 4

Response, to a hydrogen discharge tube, of two quartz photomultipliers which exhibited a band of low response at 1900A. Quartz photomultiplier No. 661–20 is shown for comparison.

Fig. 5
Fig. 5

The relative spectral sensitivity characteristic of a 1P28 photomultiplier.

Fig. 6
Fig. 6

The relative spectral sensitivity characteristic of a quartz-enveloped photomultiplier.

Tables (1)

Tables Icon

Table I Sensitivity at 2537A and dark current of quartz-enveloped 1P28 and standard 1P28 photomultipliers at 100 volts/stage.