Thermal lens spectrum of organic dyes using optical parametric oscillator

The wavelength dependence of thermal lens signal from organic dyes are studied using dual beam thermal lens technique. It is found that the profile of thermal lens spectrum widely differ from the conventional absorption spectrum in the case of rhodamine B unlike in the case of crystal violet. This i...

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Published in:Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Molecular and biomolecular spectroscopy, 2003-02, Vol.59 (3), p.487-491
Main Authors: Kurian, Achamma, Unnikrishnan, K.P., George, D.Sajan, Gopinath, Pramod, Nampoori, V.P.N., Vallabhan, C.P.G.
Format: Article
Language:English
Subjects:
Coloring Agents - chemistry
Gentian Violet - chemistry
Laser dyes
Methanol
Nonradiative relaxation
OPO
Optics and Photonics - instrumentation
Rhodamines - chemistry
Solvents
Spectrometry, Fluorescence
Spectrophotometry
Thermal lens
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cited_by cdi_FETCH-LOGICAL-c361t-2ad4f2d443ff2206cd494f0341f9d9e9653a4ca09ea45fc7564b41ffc9b6a5843
cites cdi_FETCH-LOGICAL-c361t-2ad4f2d443ff2206cd494f0341f9d9e9653a4ca09ea45fc7564b41ffc9b6a5843
container_end_page 491
container_issue 3
container_start_page 487
container_title Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
container_volume 59
creator Kurian, Achamma
Unnikrishnan, K.P.
George, D.Sajan
Gopinath, Pramod
Nampoori, V.P.N.
Vallabhan, C.P.G.
description The wavelength dependence of thermal lens signal from organic dyes are studied using dual beam thermal lens technique. It is found that the profile of thermal lens spectrum widely differ from the conventional absorption spectrum in the case of rhodamine B unlike in the case of crystal violet. This is explained on the basis of varying contribution of nonradiative relaxations from the excited vibronic levels.
doi_str_mv 10.1016/S1386-1425(02)00192-0
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subjects Coloring Agents - chemistry
Gentian Violet - chemistry
Laser dyes
Methanol
Nonradiative relaxation
OPO
Optics and Photonics - instrumentation
Rhodamines - chemistry
Solvents
Spectrometry, Fluorescence
Spectrophotometry
Thermal lens
title Thermal lens spectrum of organic dyes using optical parametric oscillator
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