Single source coherent anti-Stokes Raman microspectroscopy using spectral focusing

Langbein, Wolfgang Werner ORCID: https://orcid.org/0000-0001-9786-1023, Rocha-Mendoza, I. and Borri, Paola ORCID: https://orcid.org/0000-0002-7873-3314 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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Abstract

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 Biosciences
Subjects:	Q Science > QC Physics
Publisher:	American Institute of Physics
ISSN:	0003-6951
Last Modified:	13 May 2023 17:58
URI:	https://orca.cardiff.ac.uk/id/eprint/9237

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