Fourier-transform coherent anti-Stokes Raman scattering microscopy.

Abstract : We report a novel Fourier-transform-based implementation of coherent anti-Stokes Raman scattering (CARS) microscopy. The method employs a single femtosecond laser source and a Michelson interferometer to create two pulse replicas that are fed into a scanning multiphoton microscope. By varying the time delay between the pulses, we time-resolve the CARS signal, permitting easy removal of the nonresonant background while providing high resolution, spectrally resolved images of CARS modes over the laser bandwidth (approximately 1500 cm(-1)). We demonstrate the method by imaging polystyrene beads in solvent.
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Jennifer Ogilvie, Emmanuel Beaurepaire, Antigoni Alexandrou, Manuel Joffre. Fourier-transform coherent anti-Stokes Raman scattering microscopy.. Optics Letters, Optical Society of America, 2006, 31 (4), pp.480-2. ⟨10.1364/OL.31.000480⟩. ⟨hal-00094226⟩

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