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use own CG implementation

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jan 2018-01-08 16:16:26 -08:00
commit 4067766478
2 changed files with 234 additions and 122 deletions
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10
examples/bloch.py
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@ -30,11 +30,11 @@ g2.shifts = numpy.zeros((6,3))
g2.grids = [numpy.zeros(g.shape) for _ in range(6)]
epsilon = [g.grids[0],] * 3
reciprocal_lattice = numpy.diag(1e6/numpy.array([x_period, y_period, z_period])) #cols are vectors
reciprocal_lattice = numpy.diag(1000/numpy.array([x_period, y_period, z_period])) #cols are vectors
#print('Finding k at 1550nm')
#k, f = bloch.find_k(frequency=1/1550,
# tolerance=(1/1550 - 1/1551),
#k, f = bloch.find_k(frequency=1000/1550,
# tolerance=(1000 * (1/1550 - 1/1551)),
# direction=[1, 0, 0],
# G_matrix=reciprocal_lattice,
# epsilon=epsilon,
@ -47,10 +47,10 @@ for k0x in [.25]:
k0 = numpy.array([k0x, 0, 0])
kmag = norm(reciprocal_lattice @ k0)
tolerance = (1e6/1550) * 1e-4/1.5 # df = f * dn_eff / n
tolerance = (1000/1550) * 1e-4/1.5 # df = f * dn_eff / n
logger.info('tolerance {}'.format(tolerance))
n, v = bloch.eigsolve(4, k0, G_matrix=reciprocal_lattice, epsilon=epsilon, tolerance=tolerance)
n, v = bloch.eigsolve(4, k0, G_matrix=reciprocal_lattice, epsilon=epsilon, tolerance=tolerance**2)
v2e = bloch.hmn_2_exyz(k0, G_matrix=reciprocal_lattice, epsilon=epsilon)
v2h = bloch.hmn_2_hxyz(k0, G_matrix=reciprocal_lattice, epsilon=epsilon)
ki = bloch.generate_kmn(k0, reciprocal_lattice, g.shape)