Rapid methods for the calibration of solid-state detectors

Publication Type  Journal Article
Year of Publication  2000
Authors  Walker, D.; Clark, S. M.; Jones, R. L.; Cranswick, L. M. D.
Journal Title  Journal of Synchrotron Radiation
Volume  7
Pages  18-21
Journal Date  Jan 1
ISBN Number  0909-0495
Accession Number  ISI:000084997600004
Key Words  detectors; calibration; glass; energy; diffraction

A complementary pair of rapid methods for the energy calibration of solid-state detectors have been developed. Each method requires only a single measurement from either (i) a glass sample containing elements chosen to produce fluorescence lines over a suitable energy range when exposed to a polychromatic beam of X-rays, or (ii) a powder diffraction standard in the presence of diffraction slits. The fluorescent glass method has the advantage of allowing simultaneous energy calibration of a number of detectors without requiring diffraction slits. There is the potential for the glass material to be incorporated into virtually any sample holder to allow a continuous ill situ calibration. Complementary observations of a powder diffraction standard allow simultaneous calibration of diffraction 2 theta and monitoring of the detector for drift.


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