#tmatrix = interp(omega)
tmatrix = CTMatrix.spherical_perm(bspec, eqv_sph_radius, omega, mi(omega), n**2)
particles = [Particle(orig_xy[i], tmatrix) for i in np.ndindex(orig_xy.shape[:-1])]
ss = ScatteringSystem(particles, sym)
k = n * omega / c
for iri in range(ss.nirreps):
destpath = os.path.join(outputdatadir, 'Nx%d_Ny%d_%geV_ir%d_r%gnm.npz'%(Nx, Ny, omega/eV*hbar, iri, eqv_sph_radius/nm))
touchpath = os.path.join(outputdatadir, 'Nx%d_Ny%d_%geV_ir%d_r%gnm.done'%(Nx, Ny, omega/eV*hbar, iri, eqv_sph_radius/nm))
if (os.path.isfile(destpath) or os.path.isfile(touchpath)) and not rewrite_output:
print(destpath, 'already exists, skipping')
continue
mm_iri = ss.modeproblem_matrix_packed(k, iri)
U, S, Vh = np.linalg.svd(mm_iri)
del U
print(iri, ss.irrep_names[iri], S[-1])
starti = max(0,len(S) - np.searchsorted(S[::-1], sv_threshold, side='left')-1)
np.savez(destpath,
S=S[starti:], omega=omega, Vh = Vh[starti:], iri=iri, Nx = Nx, Ny= Ny )
del S
del Vh
Path(touchpath).touch()
# Don't forget to conjugate Vh before transforming it to the full vector!
omega = 1.475 * eV / hbar
sv_threshold = 0.5
# Now place the particles and set background index.
px = 571 * nm
py = 621 * nm
n = 1.51
Nx = 5
Ny = 7
orig_x = (np.arange(Nx / 2) + (0 if (Nx % 2) else .5)) * px
orig_y = (np.arange(Ny / 2) + (0 if (Ny % 2) else .5)) * py
orig_xy = np.stack(np.meshgrid(orig_x, orig_y), axis=-1)
tmatrix = interp(omega)
particles = [
Particle(orig_xy[i], tmatrix) for i in np.ndindex(orig_xy.shape[:-1])
]
ss = ScatteringSystem(particles, sym)
k = n * omega / c
for iri in range(ss.nirreps):
mm_iri_orig = ss.modeproblem_matrix_packed(k, iri, version=None)
mm_iri_alt = ss.modeproblem_matrix_packed(k, iri, version='R')
mm_iri_paral = ss.modeproblem_matrix_packed(k, iri, version='pR')
print(np.amax(abs(mm_iri_orig - mm_iri_alt)),
np.amax(abs(mm_iri_orig - mm_iri_paral)))