Illuminating arrangement for illuminating a photomultiplier in a

Details Illuminating arrangement for illuminating a photomultiplier in a Illuminating arrangement for illuminating a photomultiplier in a

1991-02-26

1992-06-02

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

356325, 356408, 356434, 356448, G01J 302

Patent

active

051181886

ABSTRACT:
A photomultiplier (10) with an elongated rectangular, cathode (20) tilted with respect to the inlet opening (14) is alternately illuminated by a measuring light beam (36) and a reference light beam (40). The measuring light beam (36) and the reference light beam (40) extend in a plane parallel to the longitudinal sides of the cathode (20) and impinge upon the cothode (20), such that they illuminate the same areas of the cathode (20).

REFERENCES:
patent: 3749497 (1973-07-01), Kuzmin
patent: 3922091 (1975-11-01), Suva et al.
patent: 4444499 (1984-04-01), Akiyama et al.

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