An evaluation of HgI 2  detectors for x‐ray computed tomography | Zendy

Beinglass I. | Zendy; Kaufman L. | Zendy; Hoisier K. | Zendy; Hoenninger J. | Zendy

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An evaluation of HgI 2 detectors for x‐ray computed tomography

Author(s) -

Beinglass I.,

Kaufman L.,

Hoisier K.,

Hoenninger J.

Publication year - 1980

Publication title -

medical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.473

H-Index - 180

eISSN - 2473-4209

pISSN - 0094-2405

DOI - 10.1118/1.594694

Subject(s) - detector , x ray detector , computed tomography , tomography , physics , x ray , optics , image resolution , resolution (logic) , semiconductor detector , materials science , optoelectronics , medical physics , nuclear medicine , computer science , radiology , medicine , artificial intelligence

Mercuric iodide (HgI 2 ) presents a set of attractive features as a semiconductor x‐ray detector for computed tomography (CT). Its response is stable, it operates at room temperature, and thin detectors have a high detection efficiency. The properties of HgI 2 permit the assembly of high spatial resolution detectors in a compact configuration. On the other hand, HgI 2 exhibits a long memory, and some detectors also exhibit polarization effects, both of which are detrimental in CT. A pulse‐shaping technique has been used to overcome these effects, thus demonstrating the suitability of HgI 2 for use in CT.

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