Tunable-shift stimulated Raman scattering in water by chirped 50 fs to 4.5 ps UV-pulses

Forward stimulated Raman scattering (SRS) induced by focused 400 nm pulses chirped to different pulse durations is observed in water and heavy water. The first Stokes Raman peak shift is shown to be tunable in the range of 3500 − 4200 c m − 1 in water and 2450 − 3250 c m − 1 in heavy water. It is de...

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Bibliographic Details
Published in:Optics letters 2021-06, Vol.46 (11), p.2686-2689
Main Authors: Chizhov, Pavel A., Grishin, Mikhail Ya, Pershin, Sergey M., Lednev, Vasily N., Ushakov, Alexander A., Bukin, Vladimir V.
Format: Article
Language:English
Subjects:
Heavy water
Raman spectra
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Summary:Forward stimulated Raman scattering (SRS) induced by focused 400 nm pulses chirped to different pulse durations is observed in water and heavy water. The first Stokes Raman peak shift is shown to be tunable in the range of 3500 − 4200 c m − 1 in water and 2450 − 3250 c m − 1 in heavy water. It is demonstrated that the Stokes peak shift increases for shorter pulse durations and higher intensities.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.426104