Fixed python calculations, added gitignore
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@@ -8,7 +8,7 @@ n2 = 1.4607 # index of refraction of the fused silica at wavelength 523 nm
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NA = 1.25 # numerical aperture
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f = 2.0e-3 # objective lens focus or WD
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Rsp = 1.03e-6 # sphere radius
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P = 4.4e-3 # power of the laser
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P = 51.7e-3 # power of the laser
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ratio = 1.0 # the ratio of the beam radius to the aperture radius
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th_max = np.arcsin(NA / n1) # maximum angle of incidence
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@@ -106,23 +106,37 @@ def q_s_y(beta, r, y):
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# Intensity distributions
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def gauss_peak():
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A = (1 - np.exp(-2*r_max ** 2 / w0 ** 2))
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return 2*A / (np.pi * w0 ** 2)
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def gauss(r):
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return np.exp(-2 * r ** 2 / w0 ** 2)
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# the fraction of power that falls on the pupil of the micro lens
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A = (1 - np.exp(-2*r_max ** 2 / w0 ** 2))
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return 2 * A * np.exp(-2 * r ** 2 / w0 ** 2)
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def bessel(r):
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return special.jv(0, 2.405 / w0 * r) ** 2
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def bessel_peak():
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return 4.81 / (w0 * r_max * np.exp(0.5)) * 2 * np.pi * integrate.quad(lambda r: r * special.jv(0, 2.405 / w0 * r) ** 2,
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0, r_max, epsabs=1e-12, epsrel=1e-6)[0]
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ring_radius = 2.405; # radius of the first ring of the besselj_0
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# the fraction of power that falls on the pupil of the micro lens
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A = ring_radius / (w0 * r_max * np.exp(0.5)) * 2 * np.pi * \
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integrate.quad(lambda r: r * special.jv(0, ring_radius / w0 * r) ** 2,
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0, r_max, epsabs=1e-12, epsrel=1e-6)[0]
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return 2 * A* special.jv(0, ring_radius / w0 * r) ** 2
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def uniform(r):
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return P / (np.pi * r_max ** 2) * np.ones(r.shape)
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return np.ones(r.shape)
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def test():
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print("q_s = ", q_s(np.pi / 4, np.pi / 4))
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print("q_g = ", q_g(np.pi / 4, np.pi / 4))
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print("q_mag = ", q_mag(np.pi / 4, np.pi / 4))
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print("q_s_avg = ", q_s_avg(np.pi / 4))
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print("q_g_avg = ", q_g_avg(np.pi / 4))
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print("q_mag_avg = ", q_mag_avg(np.pi / 4))
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print("phi_i = ", phi_i(Rsp))
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print("gamma = ", gamma(np.pi / 4, Rsp))
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print("th_i_z = ", th_i_z(Rsp, Rsp))
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print("th_i_y = ", th_i_y(np.pi / 4, Rsp, Rsp))
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print("q_g_z = ", q_g_z(Rsp, Rsp))
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print("q_s_z = ", q_s_z(Rsp, Rsp))
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print("q_g_y = ", q_g_y(np.pi / 4, Rsp, Rsp))
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print("q_s_y = ", q_s_y(np.pi / 4, Rsp, Rsp))
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