Effect of a fluorescing impurity on the characteristics of stimulated Raman scattering from acetone |
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| Authors: | P Sathy Reji Philip V P N Nampoori C P G Vallabhan |
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| Affiliation: | (1) Laser Division, Department of Physics, Cochin University of Science and Technology, 682 022 Cochin, India |
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| Abstract: | Asymmetry in the intensities between backward and forward stimulated Raman scattered radiations (BSRS and FSRS respectively) in acetone is investigated in the presence of a fluorescing impurity (rhodamine 6G). In the case of pure acetone above a threshold pump power, BSRS becomes more intense than FSRS. On the other hand intensity of BSRS decreases with concentration of the fluorophore in solution, while that of FSRS is found to increase. It is observed that absorption saturation also affects the asymmetry between FSRS and BSRS. |
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| Keywords: | Stimulated Raman scattering phase conjugation rhodamine 6G |
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