Physics – Optics
Scientific paper
2003-11-14
Physics
Optics
5 pages, Latex, 3 Postscript figures, uses revtex4 and epsfig, submitted Version 2: rescaled the figures to fit columns
Scientific paper
10.1103/PhysRevLett.92.123905
Coherent Anti-Stokes Raman Scattering (CARS) processes are ``coherent,'' but the phase of the anti-Stokes radiation is usually lost by most incoherent spectroscopic CARS measurements. We propose a novel 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 broadband radiation. This could be useful for identifying the three-dimensional spatial distribution of molecular species in tissue.
Boppart Stephen A.
Marks Daniel L.
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