Search for "(magneto-)optical spectroscopy" in Full Text gives 2 result(s) in Beilstein Journal of Nanotechnology.
Beilstein J. Nanotechnol. 2022, 13, 836–844, doi:10.3762/bjnano.13.74
Beilstein J. Nanotechnol. 2017, 8, 2464–2466, doi:10.3762/bjnano.8.245