Monte Carlo simulation of a prototype photodetector used in radiotherapy

C. Kausch; F. Cremers; D. Albers; R. Schmidt; B. Schreiber

doi:10.1016/S0168-9002(99)01199-7

Monte Carlo simulation of a prototype photodetector used in radiotherapy

C. Kausch^*, F. Cremers, D. Albers, R. Schmidt, B. Schreiber

^*Korrespondierende/r Autor/-in für diese Arbeit

Klinik für Strahlentherapie

Abstract

The imaging performance of prototype electronic portal imaging devices (EPID) has been investigated. Monte Carlo simulations have been applied to calculate the modulation transfer function (MTF(f)), the noise power spectrum (NPS(f)) and the detective quantum efficiency (DQE(f)) for different new type of EPIDs, which consist of a detector combination of metal or polyethylene (PE), a phosphor layer of Gd₂O₂S and a flat array of photodiodes. The simulated results agree well with measurements. Based on simulated results, possible optimization of these devices is discussed.

Originalsprache	Englisch
Zeitschrift	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Jahrgang	442
Ausgabenummer	1-3
Seiten (von - bis)	53-57
Seitenumfang	5
ISSN	0168-9002
DOIs	https://doi.org/10.1016/S0168-9002(99)01199-7
Publikationsstatus	Veröffentlicht - 11.03.2000
Veranstaltung	The 2nd International Conference on New Developments in Photodetection - Beaune, Frankreich Dauer: 21.06.1999 → 25.06.1999 Konferenznummer: 56717

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title = "Monte Carlo simulation of a prototype photodetector used in radiotherapy",

abstract = "The imaging performance of prototype electronic portal imaging devices (EPID) has been investigated. Monte Carlo simulations have been applied to calculate the modulation transfer function (MTF(f)), the noise power spectrum (NPS(f)) and the detective quantum efficiency (DQE(f)) for different new type of EPIDs, which consist of a detector combination of metal or polyethylene (PE), a phosphor layer of Gd2O2S and a flat array of photodiodes. The simulated results agree well with measurements. Based on simulated results, possible optimization of these devices is discussed.",

author = "C. Kausch and F. Cremers and D. Albers and R. Schmidt and B. Schreiber",

year = "2000",

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doi = "10.1016/S0168-9002(99)01199-7",

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Monte Carlo simulation of a prototype photodetector used in radiotherapy. / Kausch, C.; Cremers, F.; Albers, D. et al.
in: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Jahrgang 442, Nr. 1-3, 11.03.2000, S. 53-57.

Publikation: Beiträge in Fachzeitschriften › Konferenzaufsätze in Fachzeitschriften › Forschung › Begutachtung

TY - JOUR

T1 - Monte Carlo simulation of a prototype photodetector used in radiotherapy

AU - Kausch, C.

AU - Cremers, F.

AU - Albers, D.

AU - Schmidt, R.

AU - Schreiber, B.

N1 - Conference code: 56717

PY - 2000/3/11

Y1 - 2000/3/11

N2 - The imaging performance of prototype electronic portal imaging devices (EPID) has been investigated. Monte Carlo simulations have been applied to calculate the modulation transfer function (MTF(f)), the noise power spectrum (NPS(f)) and the detective quantum efficiency (DQE(f)) for different new type of EPIDs, which consist of a detector combination of metal or polyethylene (PE), a phosphor layer of Gd2O2S and a flat array of photodiodes. The simulated results agree well with measurements. Based on simulated results, possible optimization of these devices is discussed.

AB - The imaging performance of prototype electronic portal imaging devices (EPID) has been investigated. Monte Carlo simulations have been applied to calculate the modulation transfer function (MTF(f)), the noise power spectrum (NPS(f)) and the detective quantum efficiency (DQE(f)) for different new type of EPIDs, which consist of a detector combination of metal or polyethylene (PE), a phosphor layer of Gd2O2S and a flat array of photodiodes. The simulated results agree well with measurements. Based on simulated results, possible optimization of these devices is discussed.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-0033906715&origin=inward&txGid=9c56d9d4e66f19ea851c9695b60a1a17

U2 - 10.1016/S0168-9002(99)01199-7

DO - 10.1016/S0168-9002(99)01199-7

M3 - Conference Articles in Journals

SN - 0168-9002

VL - 442

SP - 53

EP - 57

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

IS - 1-3

T2 - The 2nd International Conference on New Developments in Photodetection <br/>

Y2 - 21 June 1999 through 25 June 1999

ER -

Monte Carlo simulation of a prototype photodetector used in radiotherapy

Abstract

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