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Thermal diffusivity measurements in organic liquids using transient thermal lens calorimetry
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Thermal diffusivity measurements in organic liquids using transient thermal lens calorimetry
Thermal diffusivity measurements in organic liquids using transient thermal lens calorimetry
CB
C. V. Bindhu
C. V. Bindhu
SH
S. S. Harilal
S. S. Harilal
VN
V. P. N. Nampoori
V. P. N. Nampoori
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1 October 1998
journal article
Published by
SPIE-Intl Soc Optical Eng
in
Optical Engineering
Vol. 37
(10)
,
2791-2794
https://doi.org/10.1117/1.601825
Abstract
Thermal diffusivity measurements are carried out in certain organic liquids using the pulsed dual beam thermal lens technique. The 532 nm pulses from a frequency doubled Q-switchedNd:YAG laser are used as the heating source and an intensity stabilized He-Ne laser serves as the probe beam. Experimental determination of the characteristic time constant of the transient thermal lens signal is verified theoretically. Measured thermal diffusivity values are in excellent agreement with literature values. ©
1998 Society of Photo-Optical Instrumentation Engineers.
Keywords
CALORIMETRY
LENSES
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Open Access
Cited by 73 articles