Abstract
We present a novel multifocal multiphoton microscope that is based on a sampling imaging technique using a microlens array, a prism for two-dimensionalspectral dispersion, and a specially designed streak camera to provide simultaneous time- and spectrum-resolved fluorescence microscopy. We split the near-infrared light of a mode-locked titanium:sapphire femtosecond laser into an array of beams that are transformed into an array of high-aperture foci at the sample. A time- and spectrum-resolved image of 3×3 foci on the sample can be obtained with a snapshot. By translating the sample stage laterally and axially and implementing a dedicated image reconstruction algorithm in the control system of the instrument, we demonstrate the acquisition of a five-dimensional data set combining lifetime and spectral resolutions in biological fluorescence imaging.
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87.64.-t; 87.64.Vv; 42.62.Be
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Liu, L., Qu, J., Lin, Z. et al. Simultaneous time- and spectrum-resolved multifocal multiphoton microscopy. Appl. Phys. B 84, 379–383 (2006). https://doi.org/10.1007/s00340-006-2314-y
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DOI: https://doi.org/10.1007/s00340-006-2314-y