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Ultrafast Raman loss spectroscopy

Umapathy, Siva and Lakshmanna, Adithya and Mallick, Babita (2009) Ultrafast Raman loss spectroscopy. In: Journal fo Raman Spectroscopy, 40 (3). pp. 235-237.

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Official URL: http://www3.interscience.wiley.com/journal/1222109...


This paper deals with a new form of nonlinear Raman spectroscopy called `ultrafast Raman loss spectroscopy (URLS)'. URLS is analogous to stimulated Raman spectroscopy (SRS) but is much more sensitive than SRS. The signals are background (noise) free unlike in coherent anti-Stokes Raman spectroscopy (CARS) and it provides natural fluorescence rejection, which is a major problem in Raman spectroscopy. In addition, being a self-phase matching process, the URLS experiment is much easier than CARS, which requires specific phase matching of the laser pulses. URLS is expected to be alternative if not competitive to CARS microscopy, which has become a popular technique in applications to materials, biology and medicine.

Item Type: Journal Article
Publication: Journal fo Raman Spectroscopy
Publisher: John Wiley and Sons
Additional Information: Copyright of this article belongs to John Wiley and Sons.
Keywords: ultrafast Raman loss spectroscopy (URLS); stimulated Raman scattering; higher order nonlinear process; fluorescence rejection
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 14 Dec 2009 11:42
Last Modified: 19 Sep 2010 05:30
URI: http://eprints.iisc.ac.in/id/eprint/19798

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