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An investigation of the operating characteristics of two PTW diamond detectors in photon and electron beams
Author(s) -
De Angelis C.,
Onori S.,
Pacilio M.,
Cirrone G. A. P.,
Cuttone G.,
Raffaele L.,
Bucciolini M.,
Mazzocchi S.
Publication year - 2002
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 - 10.1118/1.1446101
Subject(s) - diamond , detector , dosimetry , materials science , photon , optics , polarization (electrochemistry) , cathode ray , physics , electron , nuclear physics , nuclear medicine , chemistry , medicine , composite material
The dosimetric properties of two PTW Riga diamond detectors type 60003 were studied in high‐energy photon and electron therapy beam. Properties under study were current–voltage characteristic, polarization effect, time stability of response, dose response, dose‐rate dependence, temperature stability, and beam quality dependence of the sensitivity factor. Differences were shown between the two detectors for most of the previous properties. Also, the observed behavior was, to some extent, different from what was reported in the PTW technical specifications. The necessity to characterize each diamond detector individually was addressed.