function U = generateCrossedBeamPotential(positions, waists, P, options) alpha = options.Polarizability; wavelength = options.Wavelength; delta = options.Delta; foci_shift = options.FociShift; focus_shift_beam_1 = foci_shift(1); focus_shift_beam_2 = foci_shift(2); beam_disp = options.beam_disp; beam_1_disp = beam_disp(1); beam_2_disp = beam_disp(2); beam_1_positions = positions + beam_1_disp; A_1 = 2 * P(1) ./ (pi * w(beam_1_positions(2,:) + focus_shift_beam_1, waists(1,1), wavelength) ... .* w(beam_1_positions(2,:) + focus_shift_beam_1, waists(1,2), wavelength)); U_1_tilde = (1 / (2 * 8.854e-12 * 3e8)) * alpha * (4 * pi * 8.854e-12 * 5.29177e-11^3); U_1 = -U_1_tilde * A_1 .* exp(-2 * ((beam_1_positions(1,:) ./ w(beam_1_positions(2,:) + focus_shift_beam_1, waists(1,1), wavelength)).^2 ... + (beam_1_positions(3,:) ./ w(beam_1_positions(2,:) + focus_shift_beam_1, waists(1,2), wavelength)).^2)); R = rotation_matrix([0, 0, 1], deg2rad(delta)); beam_2_positions = R * (positions + beam_2_disp); A_2 = 2 * P(2) ./ (pi * w(beam_2_positions(2,:) + focus_shift_beam_2, waists(2,1), wavelength) ... .* w(beam_2_positions(2,:) + focus_shift_beam_2, waists(2,2), wavelength)); U_2_tilde = (1 / (2 * 8.854e-12 * 3e8)) * alpha * (4 * pi * 8.854e-12 * 5.29177e-11^3); U_2 = -U_2_tilde * A_2 .* exp(-2 * ((beam_2_positions(1,:) ./ w(beam_2_positions(2,:) + focus_shift_beam_2, waists(2,1), wavelength)).^2 ... + (beam_2_positions(3,:) ./ w(beam_2_positions(2,:) + focus_shift_beam_2, waists(2,2), wavelength)).^2)); U = U_1 + U_2; end