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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/2450

Title: Anomalous variation of thermal lens signal with concentration from rhodamine B in methanol solution
Authors: Bindhu, C V
Harilal, S S
Issac, Riju C
Geetha K, Varier
Nampoori, V P N
Vallabhan, C P G
Keywords: Thermal lens
laser dyes
Issue Date: Mar-1995
Publisher: Pramana
Abstract: Thermal lens signals in solutions of rhodamine B laser dye in methanol are measured using the dual beam pump-probe technique. The nature of variations of signal strength with concentration is found to be different for 514 and 488 nm Ar + laser excitations. However, both the pump wavelengths produce an oscillatory type variation of thermal lens signal amplitude with the concentration of the dye solution. Probable reasons for this peculiar behaviour (which is absent in the case of fluorescent intensity) are mentioned.
URI: http://dyuthi.cusat.ac.in/purl/2450
Appears in Collections:Dr.C P Girijavallabhan

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