LightCone-Beam Computed TomographyParticle AcceleratorsHeavy IonsRadiotherapy Planning, Computer-AssistedProton TherapyRadiotherapy DosageRadiation DosagePhantoms, ImagingMyosin Light ChainsPhotonsScattering, RadiationEquipment DesignRadiotherapy, High-EnergyRadiotherapy, ConformalLasersRelative Biological EffectivenessLinear Energy TransferEquipment Failure AnalysisBrachytherapyRadiotherapy, Intensity-ModulatedDarknessSynchrotronsHeavy Ion RadiotherapyDose-Response Relationship, RadiationX-RaysLight Signal TransductionTransducersScintillation CountingMonte Carlo MethodThermoluminescent DosimetryRadiotherapyOptics and PhotonicsCuring Lights, DentalProtonsComputer-Aided DesignRadiography, DentalRadiographic Image EnhancementOrgans at RiskRadiotherapy, Computer-AssistedImaging, Three-DimensionalFiducial MarkersFilm DosimetryElectronsTime FactorsLensesCircadian RhythmReproducibility of ResultsRadiation ProtectionUltraviolet RaysRadiotherapy, Image-GuidedRadiobiologyTomography, X-Ray ComputedTomography Scanners, X-Ray ComputedRefractometryFour-Dimensional Computed TomographyDose FractionationPhotoreceptor CellsRadiation InjuriesColorRadiography, Dental, DigitalOptical ProcessesOptical DevicesCarbonPhotosynthesisMyosin-Light-Chain KinaseImage Processing, Computer-AssistedAlgorithmsMicroscopy, ElectronPhotoperiodArtifactsMicroscopyInfrared RaysDark AdaptationUltrasonicsCalibrationModels, BiologicalMandiblePatient PositioningNeutronsRetinaArgonPhytochromeMyosinsPhotochemistryAdaptation, OcularProstatic NeoplasmsSensitivity and SpecificityMicroscopy, PolarizationLaser TherapyMolecular Sequence DataModels, TheoreticalSemiconductorsEcholocationAcousticsX-Ray TherapyComputer SimulationRadiographic Image Interpretation, Computer-AssistedRadiosurgeryIons