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Performance of a low gain avalanche detector in a medical linac and characterisation of the beam profile.

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Title: Performance of a low gain avalanche detector in a medical linac and characterisation of the beam profile.
Authors: Isidori, T (AUTHOR) ronan.mcnulty@ucd.ie, McCavana, P (AUTHOR), McClean, B (AUTHOR), McNulty, R (AUTHOR), Minafra, N (AUTHOR), Raab, N (AUTHOR), Rock, L (AUTHOR), Royon, C (AUTHOR)
Source: Physics in Medicine & Biology. 7/7/2021, Vol. 66 Issue 13, p1-10. 10p.
Subjects: Radiation dosimetry, Detectors, Radiation measurements, Linear accelerators, Picosecond pulses
Abstract: Low gain avalanche detectors can measure charged particle fluences with high speed and spatial precision, and are a promising technology for radiation monitoring and dosimetry. A detector has been tested in a medical linac where single particles were observed with a time resolution of 50 ps. The integrated response is similar to a standard ionising chamber but with a spatial precision twenty times finer, and a temporal precision over 100 million times better, with the capability to measure the charge deposited by a single linac pulse. The unprecedented resolving power allows the structure of the ∼3 μs linac pulses to be viewed and the 350 ps sub-pulses in the train to be observed. [ABSTRACT FROM AUTHOR]
© 2025 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 151509051
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Performance of a low gain avalanche detector in a medical linac and characterisation of the beam profile.
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  Data: <searchLink fieldCode="AR" term="%22Isidori%2C+T%22">Isidori, T</searchLink> (AUTHOR)<i> ronan.mcnulty@ucd.ie</i><br /><searchLink fieldCode="AR" term="%22McCavana%2C+P%22">McCavana, P</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22McClean%2C+B%22">McClean, B</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22McNulty%2C+R%22">McNulty, R</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Minafra%2C+N%22">Minafra, N</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Raab%2C+N%22">Raab, N</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rock%2C+L%22">Rock, L</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Royon%2C+C%22">Royon, C</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Physics+in+Medicine+%26+Biology%22">Physics in Medicine & Biology</searchLink>. 7/7/2021, Vol. 66 Issue 13, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Radiation+dosimetry%22">Radiation dosimetry</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Radiation+measurements%22">Radiation measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Linear+accelerators%22">Linear accelerators</searchLink><br /><searchLink fieldCode="DE" term="%22Picosecond+pulses%22">Picosecond pulses</searchLink>
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  Label: Abstract
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  Data: Low gain avalanche detectors can measure charged particle fluences with high speed and spatial precision, and are a promising technology for radiation monitoring and dosimetry. A detector has been tested in a medical linac where single particles were observed with a time resolution of 50 ps. The integrated response is similar to a standard ionising chamber but with a spatial precision twenty times finer, and a temporal precision over 100 million times better, with the capability to measure the charge deposited by a single linac pulse. The unprecedented resolving power allows the structure of the ∼3 μs linac pulses to be viewed and the 350 ps sub-pulses in the train to be observed. [ABSTRACT FROM AUTHOR]
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  Data: <i>© 2025 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=151509051
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        Value: 10.1088/1361-6560/ac0587
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        Text: English
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      – SubjectFull: Radiation dosimetry
        Type: general
      – SubjectFull: Detectors
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      – SubjectFull: Radiation measurements
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      – SubjectFull: Linear accelerators
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      – SubjectFull: Picosecond pulses
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              Text: 7/7/2021
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              Y: 2021
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