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Single source coherent anti-Stokes Raman microspectroscopy using spectral focusing

Langbein, Wolfgang Werner, Rocha-Mendoza, I. and Borri, Paola 2009. Single source coherent anti-Stokes Raman microspectroscopy using spectral focusing. Applied Physics Letters 95 (8) , 081109. 10.1063/1.3216073

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We demonstrate coherent anti-Stokes Raman scattering (CARS) microspectroscopy using a single Ti:sapphire laser oscillator and simple passive optical elements. Spectral selection by dichroic mirrors and linear chirping by glass elements creates a vibrational excitation tuneable over a large spectral range ( ∼ 800–2200 cm−1) with adjustable spectral resolution ( ∼ 10–100 cm−1). We furthermore demonstrate the applicability of differential CARS, enhancing the chemical selectivity, with the proposed single-laser configuration.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: American Institute of Physics
ISSN: 0003-6951
Last Modified: 03 May 2019 04:59

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