Nonlinear Interferometric Vibrational Imaging
- 25 March 2004
- journal article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 92 (12), 123905
- https://doi.org/10.1103/physrevlett.92.123905
Abstract
Coherent anti-Stokes Raman scattering (CARS) processes are “coherent,” but the phase of the anti-Stokes radiation is lost by most incoherent spectroscopic CARS measurements. We propose a Raman microscopy imaging method called nonlinear interferometric vibrational imaging, which measures Raman spectra by obtaining the temporal anti-Stokes signal through nonlinear interferometry. With a more complete knowledge of the anti-Stokes signal, we show through simulations that a high-resolution Raman spectrum can be obtained of a molecule in a single pulse using broad band radiation. This could be useful for identifying the three-dimensional spatial distribution of molecular species in tissue. DOI: http://dx.doi.org/10.1103/PhysRevLett.92.123905 © 2004 The American Physical SocietyKeywords
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