TY - JOUR KW - Physics and Astronomy (miscellaneous) AU - Markus Raschke AU - Mathias Schubert AU - Prineha Narang AU - Alexander Paarmann BT - Applied Physics Letters DO - 10.1063/5.0186788 IS - 23 PB - AIP Publishing PY - 2023 T2 - Applied Physics Letters TI - Optical nanoprobe imaging and spectroscopy VL - 123 SN - 0003-6951, 1077-3118 ER -