Extended Data Fig. 2: Schematic of the smFRET optical setup adapted for LAGOON experiments.
From: Spatiotemporally controlled generation of NTPs for single-molecule studies

DM = dichroic mirror, PBS = polarization beam splitter, λ/2 = half-wave plate, M = mirror, L = lens, LP = long-pass filter, ND = neutral density filter. See Methods for a detailed description of the setup.