Some cosmetic changes and additions to showcase the use of newly included plotting routines.
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@ -7,12 +7,10 @@ OptionsStruct.SimulationMode = '2D';
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OptionsStruct.TimeStep = 50e-06; % in s
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OptionsStruct.SimulationTime = 4e-03; % in s
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OptionsStruct.SpontaneousEmission = true;
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OptionsStruct.Sideband = true;
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OptionsStruct.ZeemanSlowerBeam = false;
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OptionsStruct.Sideband = false;
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OptionsStruct.Gravity = true;
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OptionsStruct.AtomicBeamCollision = true;
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OptionsStruct.DebugMode = false;
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OptionsStruct.SaveData = true;
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OptionsStruct.BackgroundCollision = true;
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OptionsStruct.SaveData = false;
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OptionsStruct.SaveDirectory = 'C:\DY LAB\MOT Simulation Project\Calculations\Code\MOT Capture Process Simulation';
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options = Helper.convertstruct2cell(OptionsStruct);
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@ -42,9 +40,18 @@ clear OptionsStruct
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[LoadingRate, ~] = Simulator.runSimulation();
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%% - Plot initial distribution
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Simulator.setInitialConditions();
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% - sampling the position distribution
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Simulator.InitialPositions = Simulator.initialPositionSampling();
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% - sampling the velocity distribution
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Simulator.InitialVelocities = Simulator.initialVelocitySampling();
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NumberOfBins = 100;
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Plotting.plotPositionAndVelocitySampling(Simulator, NumberOfBins);
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%% - Plot distributions of magnitude and direction of initial velocities
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NumberOfBins = 50;
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Plotting.plotInitialVeloctiySamplingVsAngle(Simulator, NumberOfBins)
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%% - Plot Magnetic Field
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XAxisRange = [-5 5];
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YAxisRange = [-5 5];
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@ -56,7 +63,7 @@ TemperatureinCelsius = linspace(750,1100,2000); % Temperature in Celsius
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Plotting.plotMeanFreePathAndVapourPressureVsTemp(TemperatureinCelsius)
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%% - Plot the Free Molecular Flux for different temperatures
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Temperature = [900, 950, 1000, 1050, 1100]; % Temperature'
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Temperature = [950, 1000, 1050]; % Temperature
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Plotting.plotFreeMolecularFluxVsTemp(Simulator,Temperature)
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%% - Plot Angular Distribution for different Beta
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@ -64,18 +71,12 @@ Beta = [0.5, 0.1 , 0.05, 0.02, 0.01]; %Beta = 2 * radius / length of the tube
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Plotting.plotAngularDistributionForDifferentBeta(Simulator, Beta)
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%% - Plot Capture Velocity
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Simulator.setInitialConditions();
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Simulator.SimulationTime = 15*10^(-4);
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Simulator.TimeStep = 1.5*10^(-6);
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Simulator.MOTExitDivergence = 15/360*2*pi;
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Simulator.MagneticGradient = 0.4;
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Plotting.plotCaptureVelocityVsAngle(Simulator);
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%% - Plot Phase Space with Acceleration Field
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Simulator.NumberOfAtoms = 100;
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Simulator.NumberOfAtoms = 200;
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MaximumVelocity = 150;
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NumberOfBins = 200; %Along each axis
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IncidentAtomDirection = 0*2*pi/360;
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@ -86,7 +87,7 @@ Plotting.plotPhaseSpaceWithAccelerationField(Simulator, MaximumVelocity, NumberO
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% ONE-PARAMETER SCAN
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NumberOfPointsForParam = 20; %iterations of the simulation
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NumberOfPointsForParam = 10; %iterations of the simulation
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% Scan Cooling Beam Power
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PowerArray = linspace(0.1, 1.0, NumberOfPointsForParam) * Simulator.TotalPower;
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% Scan Cooling Beam Detuning
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@ -95,11 +96,12 @@ PowerArray = linspace(0.1, 1.0, NumberOfPointsForParam) * Simulator.TotalPow
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OptionsStruct = struct;
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OptionsStruct.ChangeInitialConditions = true;
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OptionsStruct.ParameterNameArray = {'NumberOfAtoms'};
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OptionsStruct.ParameterValueArray = {10000};
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OptionsStruct.ParameterValueArray = {5000};
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options = Helper.convertstruct2cell(OptionsStruct);
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tStart = tic;
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[LoadingRateArray, ~] = Simulator.doOneParameterScan('BluePower', PowerArray, options{:});
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[LoadingRateArray, StandardErrorArray, ConfidenceIntervalArray] = Simulator.doOneParameterScan('BluePower', PowerArray, options{:});
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tEnd = toc(tStart);
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fprintf('Total Computational Time: %0.1f seconds. \n', tEnd);
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@ -107,15 +109,19 @@ clear OptionsStruct
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% - Plot results
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ParameterArray = PowerArray .* Simulator.TotalPower;
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ParameterArray = PowerArray;
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QuantityOfInterestArray = LoadingRateArray;
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OptionsStruct = struct;
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OptionsStruct.RescalingFactorForParameter = 1000;
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OptionsStruct.XLabelString = 'Cooling Beam Power (mW)';
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OptionsStruct.RescalingFactorForYQuantity = 1e-16;
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OptionsStruct.ErrorsForYQuantity = false;
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OptionsStruct.YLabelString = 'Loading rate (x 10^{16} atoms/s)';
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OptionsStruct.RescalingFactorForYQuantity = 1e-10;
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OptionsStruct.ErrorsForYQuantity = true;
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OptionsStruct.ErrorsArray = StandardErrorArray;
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OptionsStruct.CIForYQuantity = true;
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OptionsStruct.CIArray = ConfidenceIntervalArray;
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OptionsStruct.RemoveOutliers = true;
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OptionsStruct.YLabelString = 'Loading rate (x 10^{10} atoms/s)';
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OptionsStruct.TitleString = sprintf('Magnetic Gradient = %.0f (G/cm)', Simulator.MagneticGradient * 100);
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options = Helper.convertstruct2cell(OptionsStruct);
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@ -126,11 +132,11 @@ clear OptionsStruct
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%% TWO-PARAMETER SCAN
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NumberOfPointsForParam = 20; %iterations of the simulation
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NumberOfPointsForParam = 10; %iterations of the simulation
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NumberOfPointsForSecondParam = 10;
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% Scan Sideband Detuning and Power Ratio
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DetuningArray = linspace(-0.5,-6, NumberOfPointsForParam) * Helper.PhysicsConstants.BlueLinewidth;
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DetuningArray = linspace(-0.5,-10, NumberOfPointsForParam) * Helper.PhysicsConstants.BlueLinewidth;
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SidebandPowerArray = linspace(0.1,0.9, NumberOfPointsForSecondParam) * Simulator.TotalPower;
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BluePowerArray = Simulator.TotalPower - SidebandPowerArray;
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@ -141,11 +147,11 @@ OptionsStruct.RelatedParameterName = 'BluePower';
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OptionsStruct.RelatedParameterArray = BluePowerArray;
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OptionsStruct.ChangeInitialConditions = true;
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OptionsStruct.ParameterNameArray = {'NumberOfAtoms'};
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OptionsStruct.ParameterValueArray = {10000};
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OptionsStruct.ParameterValueArray = {5000};
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options = Helper.convertstruct2cell(OptionsStruct);
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tStart = tic;
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[LoadingRateArray, StandardErrorArray] = Simulator.doTwoParameterScan('SidebandDetuning', DetuningArray, 'SidebandPower', SidebandPowerArray, options{:});
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[LoadingRateArray, StandardErrorArray, ConfidenceInterval] = Simulator.doTwoParameterScan('SidebandDetuning', DetuningArray, 'SidebandPower', SidebandPowerArray, options{:});
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tEnd = toc(tStart);
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fprintf('Total Computational Time: %0.1f seconds. \n', tEnd);
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@ -162,8 +168,8 @@ OptionsStruct.RescalingFactorForFirstParameter = (Helper.PhysicsConstants.B
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OptionsStruct.XLabelString = 'Sideband Detuning (\Delta/\Gamma)';
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OptionsStruct.RescalingFactorForSecondParameter = 1000;
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OptionsStruct.YLabelString = 'Sideband Power (mW)';
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OptionsStruct.RescalingFactorForQuantityOfInterest = 1e-16;
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OptionsStruct.ZLabelString = 'Loading rate (x 10^{16} atoms/s)';
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OptionsStruct.RescalingFactorForQuantityOfInterest = 1e-10;
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OptionsStruct.ZLabelString = 'Loading rate (x 10^{10} atoms/s)';
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OptionsStruct.TitleString = sprintf('Magnetic Gradient = %.0f (G/cm)', Simulator.MagneticGradient * 100);
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options = Helper.convertstruct2cell(OptionsStruct);
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