Abstract
The nonlinear refractive index of 2-thienylchalcone derivatives in solution was investigated using z-scan technique with a continuous wave Argon ion laser. The results show that 2-thienylchalcone derivatives exhibit a large nonlinear refractive index at 488 nm. The optical limiting behaviour based on nonlinear refractive index was also investigated. The fluorescence from the samples was recorded and the relationship between the variation of nonlinear refractive index values and optical limiting values with fluorescence intensity were investigated. The results indicated that 2-thienylchalcone derivatives could be promising candidates for application on nonlinear photonic devices.
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Acknowledgments
This work is part of elective course for Foundation Year in RCSI-Medical University of Bahrain. The authors would like to thank Dr Seamus Cassidy for his help.
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Saleh, L.M., Hassan, H.A., Henari, F.Z. et al. Nonlinear refractive and optical limiting measurements of 2-thienylchalcone derivatives under cw laser regime. Appl. Phys. A 116, 805–810 (2014). https://doi.org/10.1007/s00339-013-8160-y
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DOI: https://doi.org/10.1007/s00339-013-8160-y