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Counting Rate Performance of Pulsed - Tube Systems

Published online by Cambridge University Press:  06 March 2019

A. O. Sandborg  and
J. C. Russ
A. O. Sandborg
Affiliation:
EDAX INTERNATIONAL, INC. Prairie View, Illinois 60069
J. C. Russ
Affiliation:
EDAX INTERNATIONAL, INC. Prairie View, Illinois 60069
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Abstract

Energy - dispersive x-ray fluorescence systems are characterized by limited count rate capability, which is an important practical limitation on their application. This arises from two factors: 1) The amplifier time constant is many times greater than needed in wavelength-dispersive systems, in order to permit accurate measurement of pulse height, and reducing the time constant degrades system resolution; 2) x-ray pulses from ail the major and minor elements, as welt as scattered background and/or peaks from the incident radiation, must all be processed, reducing further the effective count rate for a single element of interest. Hence there has been a strong desire to find ways to increase the count rate capability of energy-dispersive systems.

Type
X-Ray Instrumentation
Information
Advances in X-Ray Analysis , Volume 20: Twenty-Fifth Annual Conference on Applications of X-ray Analysis, August 4-6, 1976 , 1976 , pp. 547 - 554
Copyright
Copyright © International Centre for Diffraction Data 1976

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References

1. Jaklevic, J. M., Landis, D. A., Goulding, F. S., “Energy Dispersive X-Ray Fluorescence Spectrometry Using Pulsed X-Ray Excitation,” Adv. in X-Ray Anal., vol. 19 (ed. Gould, R. W.), 1976, p. 253–265.Google Scholar