Laser Induced Thermal Lens Effect in Rhodamine B — Signature of Resonant Two Photon Absorption

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Laser Induced Thermal Lens Effect in Rhodamine B — Signature of Resonant Two Photon Absorption

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Title: Laser Induced Thermal Lens Effect in Rhodamine B — Signature of Resonant Two Photon Absorption
Author: Bindhu, C V; Harilal, S S; Riju C, Issac; Geetha K, Varier; Nampoori, V P N; Vallabhan, C P G
Abstract: Measurement of thermal lensing signal as a function of laser power made in Rhodamine B solutions in methanol give clear evidence of two photon absorption process within certain concentration ranges when 488 nm Ar+ laser beam is used as the pump source. Only one photon process is found to occur when 514 nm and 476 nm beams are used as the pump.
URI: http://dyuthi.cusat.ac.in/purl/2635
Date: 1995


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