[1] S. K. Yadav, J. W. Cho, “Functionalized graphene nanoplatelets for enhanced mechanical and thermal properties of polyurethane nanocomposites”, Appl. Sur. Sci., 266: 360-367 (2013).
[2] N. Kalra, F. Chand, S. C. Mshra, D. R. Vij, D. K. Chaturvedi, S. Kumar, S. Arora, S. C. K. Misra, “Electrical and optical non linearity in vacuum deposited thin films of poly [N-( 4-benzoil-phenyl)-2 methylacrylamide],” J. Nonlinear Optic. Phys. Mat., 13(1): 65-79 (2004).
[3] J. Wang, Y. X. Fan, J. Chen, B. Gu, H. T. Wang, “Nonlinear properties of polyurethane-eurea/multi-wall carbon nanotube composite films,” Opt. Laser Technol., 42: 956–959 (2010).
[4] G. Wu and H. Wang, “Polymeric 1×2 digital optical and 2×2 Mach-Zehnder interferometer waveguide thermo-optic switches: design and simulation” J. Nonlinear Optic. Phys. Mat., 22(4): 1350039 (19 pp.) (2013).
[5] M. Y. Kariduraganavar, S. M. Tambe, R. G. Tasaganva, A. A. Kittur, S. S. Kulkarni, S. R. Inamdar, “Studies on nonlinear optical polyurethanes containing heterocyclic chromophores” J. Mol. Struct., 987: 158–165 (2011).
[6] R.W. Boyd, Nonlinear Optics, second ed., Academic Press, San Diego, 2003.
[7] S. Li Guo, B. Gu, T. Zhang, “Third-Order Nonlinearities and Optical Limiting of C60 Polyurethane-Urea Films” J. Nonlinear Optic. Phys. Mat., 13(1): 45-54 (2004).
[8] K. N. Sharafudeen, G. R. C. Reddy, K. Chandrasekharan, “Donor/acceptor effects on the nonlinear optical properties of 1, 3 diphenyl propenones” J. Modern Opt., 56: 1853-1859 (2009).
[9] M. Nadafan, R. Malekfar, Z. Dehghani, “Microstructural and nonlinear optical properties of SiO2 and Al2O3 nanoparticles doped in polyurethane” J. Mater. Res., 30: 1788-1796 (2015).
[10] M. Sheik-Bahae, A.A. Said, E.W. Van Stryland, “High-sensitivity, single-beam n2 measurements” Opt. Lett., 14: 955-957 (1989).
[11] M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, E. W. Van Stryland, “Sensitive measurement of optical nonlinearities using a single beam” IEEE J. Quantum Electron., 26: 760-769 (1990).
[12] N. Qiu, D. Liu, S. Han, X. He, G. Cui and Q. Duan, “Synthesis of the end-functionalized polymethylmethacrylate incorporated with an asymmetrical porphyrin group via atom transfer radical polymerization and investigation on the third-order nonlinear optical properties”, J. Photochem. Photobiol., A272: 65- 72 (2013).
[13] S. Pramodini, P. Poornesh, K. K. Nagaraja, “Thermally induced nonlinear optical response and optical power limiting of acid blue 40 dye”, Curr. Appl. Phys., 13: 1175-1182 (2013).
[14] D. H. G. Espinosa, R. K. Onmori,
“Optical nonlinearities and thermal lens effect of a-Si: H films investigated by Z-scan technique” Phys. Procedia, 28: 33-38 (2012).
[15] M. Nadafan, R. Malekfar, Z. Dehghani, “Determination of Nonlinear Optical Properties of MgO Nanoparticles Doped in Poly (Ether) Urethane”, Acta Phys. Pol. A., 128: 29-33 (2015).