Method get_efields

python/tests/test_mpb.py:1657–1658

(ms, band)

        efields = []

        def get_efields(ms, band):
            efields.append(ms.get_efield(8))

        k = mp.Vector3(1 / -3, 1 / 3)
        ms.run_tm(mpb.output_at_kpoint(k, mpb.fix_efield_phase, get_efields))