Calculations/MOT Capture Process Simulation/@MOTSimulator/calculateFreeMolecularRegimeFlux.m

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Matlab

function ret = calculateFreeMolecularRegimeFlux(this)
%This function calculate the total flux of atoms coming out from a tube
%See Expected atomic flux section in Barbiero
Dy164VapourPressure = 133.322*exp(11.4103-2.3785e+04./(-219.4821+this.OvenTemperatureinKelvin)).*100; % Vapor Pressure Dysprosium for the given oven temperature
Dy164DensityinOven = Dy164VapourPressure/(Helper.PhysicsConstants.BoltzmannConstant*this.OvenTemperatureinKelvin);
ret = Helper.PhysicsConstants.Dy164IsotopicAbundance * 1/4 * Dy164DensityinOven * pi * this.NozzleRadius.^2;
% Needs to be multiplied with the "Clausing Factor" which here would be
% the probability not for the full solid angle but the angle subtended
% by the aperture of the oven at its mouth.
end