A compact laser platform for nonlinear Raman microspectroscopy: multimodality through broad chirp tunability | Zendy

Lanin A. A. | Zendy; Stepanov E. A. | Zendy; Tikhonov R. A. | Zendy; SidorovBiryukov D. A. | Zendy; Fedotov A. B. | Zendy; Zheltikov A. M. | Zendy

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A compact laser platform for nonlinear Raman microspectroscopy: multimodality through broad chirp tunability

Author(s) -

Lanin A. A.,

Stepanov E. A.,

Tikhonov R. A.,

SidorovBiryukov D. A.,

Fedotov A. B.,

Zheltikov A. M.

Publication year - 2016

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.4860

Subject(s) - raman spectroscopy , chirp , laser , raman scattering , coherent anti stokes raman spectroscopy , microscopy , optics , materials science , spectroscopy , resolution (logic) , optoelectronics , physics , computer science , quantum mechanics , artificial intelligence

We demonstrate a compact laser platform that integrates stimulated and coherent Raman microscopy with high‐resolution nonlinear Raman spectroscopy. Ultrashort laser pulses with a carefully managed, broadly tunable chirp are shown to enable a comfortable switching between the high‐contrast microscopy and high‐resolution spectroscopy modalities in both stimulated and coherent versions of nonlinear Raman scattering. Sub‐10‐cm −1 spectral resolution in stimulated Raman spectroscopy is demonstrated through a careful compensation of nonlinear phase distortions of ultrashort laser pulses. This offers a powerful tool for a reliable identification of molecular vibrations with close frequencies, enhancing the chemical selectivity of spectroscopic analysis of complex multicomponent systems. Copyright © 2016 John Wiley & Sons, Ltd.

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