TY - JOUR AU - Řeháček, J. AU - Stoklasa, Bohumil AU - Koutný, Dominik AU - Hradil, Zdenek AU - Sánchez Soto, Luis Lorenzo PY - 2019 DO - 10.1103/PhysRevLett.123.193601 SN - 0031-9007 UR - https://hdl.handle.net/20.500.14352/6020 T2 - Physical review letters AB - We derive fundamental precision bounds for single-point axial localization. For Gaussian beams, this ultimate limit can be achieved with a single intensity scan, provided the camera is placed at one of two optimal transverse detection planes. Hence,... LA - eng PB - The American Physical Society KW - Fluorescence microscopy TI - Intensity-based axial localization at the quantum limit TY - journal article VL - 123 ER -