2025-02-23 01:43:21 +01:00
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%% Physical constants
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2025-02-23 20:22:11 +01:00
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PlanckConstant = 6.62607015E-34;
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PlanckConstantReduced = 6.62607015E-34/(2*pi);
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FineStructureConstant = 7.2973525698E-3;
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ElectronMass = 9.10938291E-31;
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GravitationalConstant = 6.67384E-11;
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ProtonMass = 1.672621777E-27;
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AtomicMassUnit = 1.660539066E-27;
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BohrRadius = 5.2917721067E-11;
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BohrMagneton = 9.274009994E-24;
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BoltzmannConstant = 1.38064852E-23;
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StandardGravityAcceleration = 9.80665;
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SpeedOfLight = 299792458;
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StefanBoltzmannConstant = 5.670373E-8;
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ElectronCharge = 1.602176634E-19;
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VacuumPermeability = 1.25663706212E-6;
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DielectricConstant = 8.8541878128E-12;
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ElectronGyromagneticFactor = -2.00231930436153;
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AvogadroConstant = 6.02214076E23;
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ZeroKelvin = 273.15;
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GravitationalAcceleration = 9.80553;
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VacuumPermittivity = 1 / (SpeedOfLight^2 * VacuumPermeability);
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HartreeEnergy = ElectronCharge^2 / (4 * pi * VacuumPermittivity * BohrRadius);
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AtomicUnitOfPolarizability = (ElectronCharge^2 * BohrRadius^2) / HartreeEnergy; % Or simply 4*pi*VacuumPermittivity*BohrRadius^3
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2025-02-23 01:43:21 +01:00
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% Dy specific constants
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2025-02-23 20:22:11 +01:00
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Dy164Mass = 163.929174751*AtomicMassUnit;
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Dy164IsotopicAbundance = 0.2826;
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DyMagneticMoment = 9.93*BohrMagneton;
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2025-02-23 01:43:21 +01:00
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2025-02-23 20:22:11 +01:00
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%% Parameters
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2025-02-23 01:43:21 +01:00
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options = struct;
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options.Axis = 3; % axis referenced to the beam along which you want the dipole trap potential
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options.Extent = 1E2; % range of spatial coordinates in one direction to calculate trap potential over
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options.Crossed = false; % angle between arms in degrees
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options.Delta = 70;
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2025-02-23 20:22:11 +01:00
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options.Modulation = false; % required aspect ratio of modulated arm
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2025-02-23 01:43:21 +01:00
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options.ModulationFunction = 'arccos';
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options.ModulationAmplitude = 2.16;
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options.AspectRatio = 4;
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options.Gravity = false;
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options.TiltGravity = false;
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options.Theta = 0.75; % gravity tilt angle in degrees
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options.TiltAxis = [1, 0, 0]; % lab space coordinates are rotated about x-axis in reference frame of beam
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options.Astigmatism = false;
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options.DisplacementFoci = 2.5 * 1e-3; % difference in position of the foci along the propagation direction in meters
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options.ExtractTrapFrequencies = false;
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options.Mass = Dy164Mass;
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options.MagneticMoment = DyMagneticMoment;
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2025-02-23 20:22:11 +01:00
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options.Power = 40;
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options.w_x = 30 * 1e-6; % Beam waist in X direction in meters
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options.w_z = 30 * 1e-6; % Beam waist in Z direction in meters
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2025-02-23 01:43:21 +01:00
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options.Polarizability = 180;
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2025-02-23 20:22:11 +01:00
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options.Wavelength = 1064E-9;
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2025-02-23 01:43:21 +01:00
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% Initialize variables
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ComputedPotentials = {};
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Params = {};
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% Call the function to compute trap potential
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2025-02-23 20:22:11 +01:00
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[Positions, IdealTrappingPotential, ...
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TrappingPotential, TrapDepthsInKelvin, ...
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ExtractedTrapFrequencies] = Calculator.computeTrapPotential(options);
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2025-02-23 01:43:21 +01:00
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% Store computed potentials and parameters
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2025-02-23 20:22:11 +01:00
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ComputedPotentials{end+1} = IdealTrappingPotential;
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ComputedPotentials{end+1} = TrappingPotential;
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Params{end+1} = {TrapDepthsInKelvin, ExtractedTrapFrequencies};
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2025-02-23 01:43:21 +01:00
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% Call plot function to visualize the potentials
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Plotter.plotPotential(Positions, ComputedPotentials, options, Params, [], false);
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