Use of coherent control for selective two-photon fluorescence microscopy in live organisms.

J. Ogilvie,D. Débarre,X. Solinas,Jean‐Louis Martin,E. Beaurepaire,M. Joffre

Published 2006 in Optics Express

ABSTRACT

We demonstrate selective fluorescence We demonstrate selective fluorescence excitation of specific molecular species in live organisms by using coherent control of two-photon excitation. We have acquired quasi-simultaneous images in live fluorescently-labeled Drosophila embryos by rapid switching between appropriate pulse shapes. Linear combinations of these images demonstrate that a high degree of fluorophore selectivity is attainable through phase-shaping. Broadband phase-shaped excitation opens up new possibilities for single-laser, multiplex, in-vivo fluorescence microscopy.

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