Raman induced phase conjugation spectroscopy

Prasad, Raghavendra B and Mohan, Krishna R and Subramanian , CK and Narayanan, PS (1990) Raman induced phase conjugation spectroscopy. In: Proceedings of the Indian Academy of Sciences - Chemical Sciences, 102 (5). pp. 565-574.

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Abstract

Raman induced phase conjugation (RIPC) spectroscopy is a relatively new coherent Raman spectroscopic (CRS) technique using optical phase conjugation (OPC), with which complete Raman spectra of transparent media can be obtained. It is a non-degenerate four-wave mixing technique in which two pulsed laser beams at Ω1 and Ω1 ± Δ where A corresponds to a vibrational frequency of a nonlinear medium mix with a third laser beam at Ω1 to generate a fourth beam Ω1 ± Δ, which is nearly phase conjugate to one of the beams at Ω1. With this technique one can measure the ratio of the resonant and nonresonant components of the third-order nonlinear susceptibilities of the nonlinear media. We have used this technique to get Raman spectra of well-known organic solvents like benzene etc., using pulsed Nd: YAG -dye laser systems. We have also studied the effect of delaying one of the interacting beams with respect to the others and the phase conjugate property of RIPC signals.

Item Type:	Journal Article
Publication:	Proceedings of the Indian Academy of Sciences - Chemical Sciences
Publisher:	Indian Academy of Sciences
Additional Information:	Copyright of this article belongs to Indian Academy of Sciences.
Keywords:	Raman induced phase conjugation spectroscopy; coherent Raman spectroscopy;phase conjugate property.
Department/Centre:	Division of Physical & Mathematical Sciences > Physics
Date Deposited:	12 Jan 2011 11:20
Last Modified:	12 Jan 2011 11:20
URI:	http://eprints.iisc.ac.in/id/eprint/34970

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