32 lines
2.0 KiB
Mathematica
32 lines
2.0 KiB
Mathematica
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function reinitializeSimulator(this)
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%% PHYSICAL CONSTANTS
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pc = Helper.PhysicsConstants;
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%% SIMULATION PARAMETERS
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this.NozzleLength = 60e-3;
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this.NozzleRadius = 2.50e-3;
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this.Beta = 2 * (this.NozzleRadius/this.NozzleLength);
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this.ApertureCut = max(2.5e-3,this.NozzleRadius);
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this.OvenDistance = ((25+12.5)*1e-3 + (this.NozzleRadius + this.ApertureCut)) / tan(15/360 * 2 * pi);
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% Distance between the nozzle and the 2-D MOT chamber center
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% 25 is the beam radius/sqrt(2)
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% 12.5 is the radius of the oven
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% 15 eg is the angle between the 2-D MOT chamber center and the nozzle
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this.OvenTemperature = 1000; % Temperature in Celsius
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this.MOTDistance = 320e-3; % Distance between the 2-D MOT the 3-D MOT
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this.MagneticGradient = 0.425; % T/m
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this.BlueWaveVector = 2*pi/pc.BlueWavelength;
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this.BlueSaturationIntensity = 2*pi^2*pc.PlanckConstantReduced*pc.SpeedOfLight*pc.BlueLinewidth/3/(pc.BlueWavelength)^3/10;
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this.OrangeWaveVector = 2*pi/pc.OrangeWavelength;
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this.OrangeSaturationIntensity = 2*pi^2*pc.PlanckConstantReduced*pc.SpeedOfLight*pc.OrangeLinewidth/3/(pc.OrangeWavelength)^3/10;
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this.BlueBeamRadius = min(0.035/2,sqrt(2)/2*this.OvenDistance); % Diameter of CF40 flange = 0.035
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Theta_Nozzle = atan((this.NozzleRadius+this.BlueBeamRadius*sqrt(2))/this.OvenDistance); % The angle of capture region towards the oven nozzle
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Theta_Aperture = 15/360*2*pi; % The limitation angle of the second aperture in the oven
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this.NozzleExitDivergence = min(Theta_Nozzle,Theta_Aperture);
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this.MOTExitDivergence = 0.016; % The limitation angle between 2D-MOT and 3D-MOT
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this.TotalPower = 0.4;
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this.OrangeBeamRadius = 1.2e-03;
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this.PushBeamRadius = 0;
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this.PushBeamDistance = 0;
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this.DistanceBetweenPushBeamAnd3DMOTCenter = 1;
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this.ZeemanSlowerBeamRadius = 1;
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end
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