Stimulated Raman scattering using a single femtosecond oscillator with flexibility for imaging and spectral applications | Zendy

Hope T. Beier | Zendy; Gary D. Noojin | Zendy; Benjamin A. Rockwell | Zendy

Open Access

Stimulated Raman scattering using a single femtosecond oscillator with flexibility for imaging and spectral applications

Author(s) -

Hope T. Beier,

Gary D. Noojin,

Benjamin A. Rockwell

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.018885

Subject(s) - femtosecond , supercontinuum , optics , raman scattering , materials science , laser , raman spectroscopy , coherent anti stokes raman spectroscopy , spectral line , photonic crystal fiber , broadband , optoelectronics , optical fiber , physics , astronomy

Stimulated Raman scattering (SRS) is a powerful tool for obtaining background-free chemical information about a material without extrinsic labeling. Background-free spectra are particularly important in the fingerprint region (~800 and 1800 cm(-1)) where peaks are narrow, closely-spaced, and may be in abundance for a particular chemical. We demonstrate a method for obtaining SRS spectra using a single femtosecond laser oscillator. A photonic crystal fiber is used to create a supercontinuum to provide a range of Stokes shifts from ~300 to 3400 cm(-1). This SRS approach provides for collection capabilities that are easily modified between obtaining broadband spectra and single-frequency images.

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