Thermal lens spectrum of organic dyes using optical parametric oscillator

Achamma Kurian; K. P. Unnikrishnan; D. Sajan George; Pramod Gopinath; V. P.N. Nampoori; C. P.G. Vallabhan

doi:10.1016/S1386-1425(02)00192-0

Thermal lens spectrum of organic dyes using optical parametric oscillator

Achamma Kurian, K. P. Unnikrishnan, D. Sajan George, Pramod Gopinath, V. P.N. Nampoori, C. P.G. Vallabhan

Research output: Contribution to journal › Article › peer-review

20 Citations (SciVal)

Abstract

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.

Original language	English
Pages (from-to)	487-491
Number of pages	5
Journal	Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume	59
Issue number	3
DOIs	https://doi.org/10.1016/S1386-1425(02)00192-0
Publication status	Published - 01-02-2003

All Science Journal Classification (ASJC) codes

Analytical Chemistry
Atomic and Molecular Physics, and Optics
Instrumentation
Spectroscopy

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10.1016/S1386-1425(02)00192-0

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abstract = "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.",

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AU - Kurian, Achamma

AU - Unnikrishnan, K. P.

AU - Sajan George, D.

AU - Gopinath, Pramod

AU - Nampoori, V. P.N.

AU - Vallabhan, C. P.G.

PY - 2003/2/1

Y1 - 2003/2/1

N2 - 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.

AB - 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.

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JF - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy

IS - 3

ER -

Thermal lens spectrum of organic dyes using optical parametric oscillator

Abstract

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