Optimization of the signal dispersion parameters of a dual-energy multimedia imaging sensor

In this study, experimental results on the signal dispersion of a multimedia imaging detector, operating on gaseous solid state ionization principles, with specific emphasis on single x-ray exposure dual-energy radiography, are presented. The results of this study indicate that the multimedia detect...

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Bibliographic Details
Main Authors: Giakos, G.C., Chowdhury, S., Shah, N., Guntupalli, S., Vedantham, S., Suryanarayanan, S., Nemer, R., Dasgupta, A., Mehta, K., Patnekar, N.
Format: Conference Proceeding
Language:English
Subjects:
Image sensors
Ionization
Optical imaging
Radiography
Sensor phenomena and characterization
Solid state circuits
Space technology
X-ray detection
X-ray detectors
X-ray imaging
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Summary:In this study, experimental results on the signal dispersion of a multimedia imaging detector, operating on gaseous solid state ionization principles, with specific emphasis on single x-ray exposure dual-energy radiography, are presented. The results of this study indicate that the multimedia detector technology exhibits excellent signal characteristics suitable for a large number of imaging applications. On the other hand, drift distance causes significant effect on both the amplitude and full-width at half maximum (FWHM) due to mobility dispersion and space-charge. An improved signal results with increasing gas pressure.
ISSN:1091-5281
DOI:10.1109/IMTC.2002.1006863