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S. KUMARESAN1, M. BASHEER AHAMED2,*
The third order nonlinear properties of sulforhodamine B dye were studied by using Z-scan technique. The pulsed Nd: YAG laser of wavelength 532 nm is used as a source of excitation. The experimental results have been investigated from closed and open aperture curve graph. The closed aperture curve showed that negative nonlinearity and open aperture curve was saturation absorption of the sample. The nonlinear refractive index n2, nonlinear absorption coefficient β and real and imaginary parts of third order nonlinear optical susceptibility χ3 are measured for different concentrations of dye in ethanol. This shows that the dye has potential application in nonlinear optics..
Z-scan, Sulforhodamine B, NLO properties.
S. KUMARESAN, M. BASHEER AHAMED, Third order nonlinear optical properties of sulforhodamine B dye by Z-Scan Technique, Optoelectronics and Advanced Materials - Rapid Communications, 7, 1-2, January-February 2013, pp.26-29 (2013).
Submitted at: Oct. 3, 2012
Accepted at: Feb. 20, 2013
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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