3-color multiplex CARS spectrometer

Details 3-color multiplex CARS spectrometer 3-color multiplex CARS spectrometer

2008-12-29

2011-11-22

Lauchman, Layla (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

Reexamination Certificate

active

08064053

ABSTRACT:
The present invention relates to a 3-color multiplex CARS spectrometer. In the 3-color multiplex CARS spectrometer, Raman resonance is achieved for multiple molecular vibrations of a sample by the combination of a short-wavelength pump beam generated by a broadband laser light source and a long-wavelength Stokes beam generated by a stable laser light source, and another short-wavelength laser beam having a narrow linewidth is then introduced separately to serve as a probe beam that interacts with the laser-driven sample, thereby generating CARS spectral signals whose wavelength components can be resolved. Accordingly, the 3-color multiplex CARS spectrometer solves problem of the conventional 2-color multiplex CARS spectroscopy in which the wavelength decomposition of CARS signals, necessary for high spectral resolution, is not possible with broadband pump light causing the CARS spectrum distortion.

REFERENCES:
patent: 7092086 (2006-08-01), Knebel
patent: 7403282 (2008-07-01), Silberberg et al.
patent: 7573577 (2009-08-01), Martinez
patent: 7586618 (2009-09-01), Marks et al.
patent: 7623908 (2009-11-01), Boppart et al.
patent: 7826051 (2010-11-01), Silberberg et al.

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