Thin scintillators and position sensitive photomultiplier tubes for hard X-ray imaging in space

Monolithic and segmented CsI(Tl) scintillators coupled to a position sensitive photomultiplier tube (PSPMT) have been tested for imaging and environmental performance necessary for hard X-ray astrophysics missions. Using a crossed-wire PSPMT and individual anode-wire readout, spatial resolution of 1...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1997-06, Vol.44 (3), p.881-884
Main Authors: Kroeger, R.A., Grove, J.E., Inderhees, S.E., Johnson, W.N., Kinzer, R.L., Kurfess, J.D., Phlips, B.P.
Format: Article
Language:English
Subjects:
Anodes
Apertures
Energy resolution
Image resolution
Optical imaging
Photomultipliers
Spatial resolution
Testing
Wires
X-ray imaging
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Summary:Monolithic and segmented CsI(Tl) scintillators coupled to a position sensitive photomultiplier tube (PSPMT) have been tested for imaging and environmental performance necessary for hard X-ray astrophysics missions. Using a crossed-wire PSPMT and individual anode-wire readout, spatial resolution of 1-2 mm rms at 60 keV over the entire photo-cathode imaging surface is obtained out to near the edges of the scintillator. A PSPMT mapping correction was used to obtain energy resolution close to what is expected from CsI(Tl) scintillators.
ISSN:0018-9499
1558-1578
DOI:10.1109/23.603770