2017
A measurement-based generalized source model for Monte Carlo dose simulations of CT scans
Ming X, Feng Y, Liu R, Yang C, Zhou L, Zhai H, Deng J. A measurement-based generalized source model for Monte Carlo dose simulations of CT scans. Physics In Medicine And Biology 2017, 62: 1759-1776. PMID: 28079526, PMCID: PMC5857954, DOI: 10.1088/1361-6560/aa5911.Peer-Reviewed Original ResearchConceptsMonte Carlo dose simulationsGeneralized source modelEnergy spectrumFluence distributionDose profilesCentral axis percent depth dose curvePercent depth dose curvesDose simulationsDepth dose curvesMonte Carlo user codeSource distributionBeam inputDose curvesFilm measurementsCTDI phantomCT scannerOutput factorsAbsolute dose comparisonsMonte Carlo simulationsDose distributionSource modelCarlo simulationsCircular sourceGE LightspeedScanner specifications
2012
SU‐E‐T‐289: On the Use of a Diode Array for the Commissioning of Dynamically‐Wedged Asymmetric Fields Generated by Varian EDW's in the Pinnacle Treatment Planning System
Ahmad M, Liu W, Deng J, Nguyen K, Wu D, Chen Z, Moran M, Nath R. SU‐E‐T‐289: On the Use of a Diode Array for the Commissioning of Dynamically‐Wedged Asymmetric Fields Generated by Varian EDW's in the Pinnacle Treatment Planning System. Medical Physics 2012, 39: 3770-3770. PMID: 28517261, DOI: 10.1118/1.4735357.Peer-Reviewed Original ResearchArray systemMonte Carlo code BEAMnrcEnhanced dynamic wedgeDiode arrayCylindrical chamberSolid waterDose profilesCentral axisVirtual waterAcceptable accuracyPinnacle3 treatment planning systemBeamDiode array systemOutput factorsWedge angleSegmented treatment tablesAsymmetric fieldsSimulationsConvolution calculationMC predictionWater phantomWaterAxis dose profilesCentral axis percentage depth dosesPercentage depth doses
2006
Evaluation of the EDR-2 film for relative dosimetry of high-energy photon and electron beams
Ahmad M, Chen Z, Song H, Deng J, Nath R. Evaluation of the EDR-2 film for relative dosimetry of high-energy photon and electron beams. Radiation Protection Dosimetry 2006, 120: 159-162. PMID: 16644932, DOI: 10.1093/rpd/ncj006.Peer-Reviewed Original ResearchConceptsEDR-2 filmsElectron beamRelative dosimetryHigh-energy photonsClinical radiation dosimetryDose profilesPhotonsRadiation dosimetryBeamDose distributionRadiographic filmsSensitometric studyFilmsDosimetryTreatment planning techniquesElectronsDiodesSymmetryKVFlatnessPlanning techniquesDistribution
2004
Modelling 6 MV photon beams of a stereotactic radiosurgery system for Monte Carlo treatment planning
Deng J, Guerrero T, Ma C, Nath R. Modelling 6 MV photon beams of a stereotactic radiosurgery system for Monte Carlo treatment planning. Physics In Medicine And Biology 2004, 49: 1689-1704. PMID: 15152924, DOI: 10.1088/0031-9155/49/9/007.Peer-Reviewed Original ResearchConceptsMV photon beamMonte Carlo treatmentPhoton beamsPhase spaceEGS4/BEAM systemPercent depth dose curvesParticle phase spaceMonte Carlo treatment planningDepth dose curvesFull phase spaceDose calculationsStereotactic radiosurgery systemContaminant electronsCircular planar sourceMonte Carlo systemPrimary photonsMultiple source modelDose profilesSecondary collimatorDose curvesTotal maximum doseDose contributionBeamBeam systemOriginal phase space
2003
Commissioning 6 MV photon beams of a stereotactic radiosurgery system for Monte Carlo treatment planning
Deng J, Ma C, Hai J, Nath R. Commissioning 6 MV photon beams of a stereotactic radiosurgery system for Monte Carlo treatment planning. Medical Physics 2003, 30: 3124-3134. PMID: 14713079, DOI: 10.1118/1.1624753.Peer-Reviewed Original ResearchConceptsMonte Carlo dose calculationsMonte Carlo treatment planningBeam phase spaceOutput factorsCentral axis depth dose curvesDose profilesMonte Carlo treatmentMeasurement dataMultiple source modelCyberknife stereotactic radiosurgery systemPhase spaceMV photon beamDepth dose curvesDose calculationsSource modelStereotactic radiosurgery systemFluence distributionStandard measurement dataSource distributionPhoton beamsAxis distanceEnergy spectrumCollimator sizeDose curvesAveraging effect
2001
Derivation of electron and photon energy spectra from electron beam central axis depth dose curves
Deng J, Jiang S, Pawlicki T, Li J, Ma C. Derivation of electron and photon energy spectra from electron beam central axis depth dose curves. Physics In Medicine And Biology 2001, 46: 1429-1449. PMID: 11384063, DOI: 10.1088/0031-9155/46/5/308.Peer-Reviewed Original ResearchConceptsPhoton energy spectrumDepth dose curvesCentral axis depth dose curvesPhase-space simulationsElectron beamEnergy spectrumDose curvesElectron beam dose calculationsLinear accelerator treatment headCentral axis percentage depth-dose (PDD) curvesPercentage depth dose curvesDerivation of electronPhase space dataClinical electron beamsMeV electron beamSpace simulationTreatment headPDD curvesDose profilesElectronsBeamCorresponding spectraPhotonsDose calculationsSpectra