def test_ideal_lens_with_trace_optical_element():
print(
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> test_ideal_lens_with_trace_optical_element"
)
beam = Beam()
beam.set_flat_divergence(0.05, 0.005)
p = 1.
q = 5.
lens = Optical_element.ideal_lens(p, q)
beam = lens.trace_optical_element(beam)
beam.plot_xz()
if do_plot:
plt.show()
assert_almost_equal(np.abs(beam.x).mean(), 0.0, 4)
assert_almost_equal(np.abs(beam.z).mean(), 0.0, 4)
def test_ideal_lens_collimated_beam():
print(
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> test_ideal_lens_collimated_beam")
beam = Beam()
beam.set_circular_spot(20 * 1e-9)
beam.set_divergences_collimated()
beam.plot_xz()
p = 1.
q = 5.
lens = Optical_element.ideal_lens(p, q, q, q)
beam = lens.trace_optical_element(beam)
beam.plot_xz()
if do_plot:
plt.show()
assert_almost_equal(np.abs(beam.x).mean(), 0.0, 4)
assert_almost_equal(np.abs(beam.z).mean(), 0.0, 4)