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M. D. ZIDAN1,* , A. GHANEM2, A. ALLAHHAM1, M. S. EL-DAHER2, S. JAMOUS1
- Department of Physics, AEC, P. O. Box 6091, Damascus, Syria
- Higher Institute for Laser Research and Applications, Damascus University, Syria
The CW laser dual-beam z-scan technique was used to investigate the influence of solvent isomers on thermal lens signals of acid blue 29 dyes. The acid blue 29 dye were separately dissolved in the following solvents: 1-propanol, 2- propanol, 1- butanol and 2-butanol, in order to study the effect of solvent isomers on the thermal lens signal. The thermal lens signals of the acid blue 29 / 1- butanol were found to be the highest among the others used samples; this can be explained on the basis of the transfer heat by convection processes. Also, the self-diffraction rings were observed for the studied samples in order to investi-gate the influence of solvent isomers on the generating of the diffraction ring pattern. Then, we were able to extract all the thermal lens parameters of the acid blue 29/solvents from the experimental measurements for emphasizing the most effective isomer of the used solvents. The reported work has shown that the molecular heat convection is crucial on the formation of thermal lens signals..
Thermal lens effect, Acid blue 29, Thermo-optic coefficient, Diffraction ring pattern.
Submitted at: Sept. 7, 2021
Accepted at: June 7, 2022
M. D. ZIDAN, A. GHANEM, A. ALLAHHAM, M. S. EL-DAHER, S. JAMOUS, Solvent isomers effect on thermal lens signals and diffraction ring patterns of the acid blue 29 dye, Journal of Optoelectronics and Advanced Materials Vol. 24, Iss. 5-6, pp. 245-249 (2022)
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