Ilias Billas

National Physical Laboratory — United Kingdom

Physics and Astronomy · Physical Sciences

8h-index254citations33works0.62yr avg
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Research Topics

Advanced Radiotherapy Techniques(23), Radiation Therapy and Dosimetry(17), Radiation Effects and Dosimetry(11), Radiation Dose and Imaging(9), Radiation Detection and Scintillator Technologies(5)

Publications33 total

A systematic characterization of plastic scintillation dosimeters response in magnetic fields: I. Experimental measurements
Physics in Medicine and Biology·2025Open Access
A systematic characterization of plastic scintillation dosimeters response in magnetic fields: II. Monte Carlo simulations
Physics in Medicine and Biology·2025· 1 citedOpen Access
Reference dosimetry for MRI-Linacs: an addendum to the 2020 IPEM code of practice for high-energy photon therapy dosimetry
Physics in Medicine and Biology·2025· 1 citedOpen Access
Changes to the NPL reference air kerma rate primary standard TH100C for high dose rate 192Ir brachytherapy sources
2024Open Access
PHSOR10 Presentation Time: 9:45 AM
Brachytherapy·2024
Uncertainty of scintillator-based field-output factor measurements in MR-Linacs with the two-channel chromatic stem removal technique
Radiation Measurements·2024· 3 citedOpen Access
16: MC simulations of detector type specific output correction factors in the presence of magnetic field
Radiotherapy and Oncology·2024
1734: 106 Ru brachytherapy dosimetry data verification using diodes traceable to EBRT metrology standards
Radiotherapy and Oncology·2024
Quality correction factors as a function of radiation field size
Zenodo (CERN European Organization for Nuclear Research)·2023Open Access
Quality correction factors as a function of radiation field size
Zenodo (CERN European Organization for Nuclear Research)·2023Open Access
MO-0309 Multicentre validation of the signal fading model of a new OSL film dosimeter
Radiotherapy and Oncology·2023
Monte Carlo calculation of detector perturbation and quality correction factors in a 1.5 T magnetic resonance guided radiation therapy small photon beams
Physics in Medicine and Biology·2021· 22 citedOpen Access
Traceable reference dosimetry in MRI guided radiotherapy using alanine: calibration and magnetic field correction factors of ionisation chambers
Physics in Medicine and Biology·2021· 20 citedOpen Access
Eigencolor radiochromic film dosimetry
Medical Physics·2021· 5 cited
PH-0047: Small-cavity chamber dose response to megavoltage photon beams in the presence of magnetic fields
Radiotherapy and Oncology·2020
Small-cavity chamber dose response in megavoltage photon beams coupled to magnetic fields
Physics in Medicine and Biology·2020· 19 cited
Reference dosimetry in MRI-linacs: evaluation of available protocols and data to establish a Code of Practice
Physics in Medicine and Biology·2020· 61 citedOpen Access
Alanine dosimetry in strong magnetic fields: use as a transfer standard in MRI-guided radiotherapy
Physics in Medicine and Biology·2020· 18 citedOpen Access
The effect of magnetic field strength on the response of Gafchromic EBT-3 film
Physics in Medicine and Biology·2019· 26 citedOpen Access
Report on dose measurements on the Elekta Unity MR linac at the Royal Marsden Hospital performed by NPL
2018
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Frequent Co-authors

S Duane(21), Hugo Bouchard(14), D R Shipley(11), Yunuen Cervantes(7), T Sander(6), Uwe Oelfke(5), Jasmine Duchaine(3), S. Galer(3), G. Bass(3), V. Smyth(3), G. Budgell(3), Filipa Costa(2), Simon Doran(2), Simeon Nill(2), J Adamovics(2), Ileana Silvestre Patallo(2), C. Gouldstone(2), Andrew Fenwick(2), Anna Subiel(2), Pooja Gohil(2)