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The role of the solvent viscosity on the spatiotemporal instabilities of large aperture dye lasers

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3 Author(s)
Calderon, O.G. ; Departamento de Óptica, Facultad de Ciencias Fı´sicas, Universidad Complutense, Ciudad Universitaria s/n, 28040 Madrid, Spain ; Leyva, I. ; Guerra, J.M.

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Local intensity fluctuations in a large aperture dye laser have been measured for several solvent viscosities. A decrease on the relative fluctuations amplitude as the solvent viscosity increases is found. From a theoretical approach, we show that the intensity fluctuations follow the same behavior as the molecular polarization orientation driven by the laser field. © 1998 American Institute of Physics.

Published in:

Applied Physics Letters  (Volume:73 ,  Issue: 5 )