Media 3: Fast two-layer two-photon imaging of neuronal cell populations using an electrically tunable lens Benjamin F. Grewe Fabian F. Voigt Marcel van ’t Hoff Fritjof Helmchen 10.1364/BOE.2.002035.m003 https://opticapublishing.figshare.com/articles/media/Media_3_Fast_two-layer_two-photon_imaging_of_neuronal_cell_populations_using_an_electrically_tunable_lens/4911509 Originally published in Biomedical Optics Express on 01 July 2011 (boe-2-7-2035) 2011-07-01 00:00:00 Fast cell populations 01 July 2011 media imaging Biomedical Optics Express two-photon two-layer tunable lens boe