Pregled bibliografske jedinice broj: 1076840
SiPM-based detector for high resolution measurements in pulsed radiation fields
SiPM-based detector for high resolution measurements in pulsed radiation fields // IEEE transactions on instrumentation and measurement, 70 (2021), 1; 1-8 doi:10.1109/TIM.2020.3023203 (međunarodna recenzija, članak, znanstveni)
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Naslov
SiPM-based detector for high resolution
measurements in pulsed radiation fields
Autori
Pavelić, Luka ; Lacković, Igor ; Surić Mihić, Marija ; Prlić, Ivica
Izvornik
IEEE transactions on instrumentation and measurement (0018-9456) 70
(2021), 1;
1-8
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
Dosimetry ; Solid scintillation detectors ; Ionizing radiation ; Gamma-ray detection
Sažetak
Modern ionizing radiation generators used for medical imaging and radiotherapy operate in pulsed regime or have short exposure times. This classifies them as pulsed sources. Electronic dosimeters that measure dosimetric quantities, the ambient dose equivalent (H* (10)) and the personal dose equivalent (Hp(10)) that show satisfactory performance in pulsed fields are emerging, but the accuracy of H*(10) rate (dH*(10)/dt) measurements of short pulses is lagging behind. With the goal of solving this problem, we developed a novel system for measurements of H*(10) and H*(10) rate in pulsed fields. The measurement chain is composed of a thallium doped sodium iodide scintillation crystal optically coupled to a silicon photomultiplier, an amplifier and a high memory depth digital storage oscilloscope. To investigate the detector performance, a series of measurements in a pulsed radiation field were made for in-beam and scattered radiation. Both the H*(10) and H*(10) rate were successfully measured with 1 ms time resolution, while the best achieved resolution was 1 pSv and 10 nSv/h respectively. The analysis of the H*(10) rate response showed that the detector measurement range is from natural background radiation levels (~100 nSv/h) up to 250 mSv/h.
Izvorni jezik
Engleski
Znanstvena područja
Fizika, Interdisciplinarne prirodne znanosti, Elektrotehnika
POVEZANOST RADA
Ustanove:
Institut za medicinska istraživanja i medicinu rada, Zagreb,
Fakultet elektrotehnike i računarstva, Zagreb
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus