SEARCH Articles Figures Tables Excited fluorescence Fluorescence intensity multi-photon excitation Multi-photon excitation fluorescence emission Multi-photon fluorescence excitation Photon fluorescence Photon fluorescent Photonic excitation Single-photon excited fluorescence Single-photon excited fluorescence chromophores Two-photon Fluorescence with Diode Laser Excitation Two-photon excitation fluorescence Two-photon excited fluorescence (TPEF Two-photon excited/fluorescence