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Optical Kerr effect exhibited by carbon nanotubes and carbon/metal nanohybrid materials |
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| Institution: | 1. Sección de Estudios de Posgrado e Investigación, ESIME ZAC, Instituto Politécnico Nacional, México, D.F. 07738, Mexico;2. Depto. Ing. Materiales, Tecnológico de Estudios Superiores de Coacalco, Coacalco de Berriozábal, 55700 Edo. México, Mexico;3. Centro de Nanociencia y MicroNanotecnología del Instituto Politécnico Nacional, México, D.F. 07738, Mexico;4. Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, D.F. 04510, Mexico;5. ESIQIE, Instituto Politécnico Nacional, México, D.F. 07738, Mexico;6. Depto. Ing. Metalurgia y Materiales, ESIQIE, Instituto Politécnico Nacional, 07300 México, D.F., Mexico;7. Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada Unidad Querétaro, Instituto Politécnico Nacional, Santiago de Querétaro, Querétaro 76090, Mexico;1. Institute of Theoretical Physics and Astronomy, Vilnius University, A. Gostauto 12, LT-01108 Vilnius, Lithuania;2. Young Researchers and Elite Club, Mashhad Branch, Islamic Azad University, Mashhad, Iran;1. Department of Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China;2. Hubei Key Laboratory for Engineering Structural Analysis and Safety Assessment, Wuhan 430074, China;1. Department of Physics, Payame Noor University, PO Box 19395-3697, Tehran, Iran;2. Department of Physics, College of Sciences, Shiraz University, Shiraz 71946-84795, Iran;1. Department of Physics, Banaras Hindu University, Varanasi 221005, U.P., India |
| Abstract: | Structural modification of carbon nanotubes in combination with metallic nanoparticles is reported. An enhancement in the nonlinear optical refraction of multi-wall carbon nanotubes by the incorporation of platinum nanoparticles was observed. Comparative results were analyzed taking into account the participation of single-wall carbon nanotubes that originate a decrease in the nonlinear optical response of the multi-wall carbon nanotubes integrating a thin film. A Nd:YAG laser system featuring 532 nm wavelength with 4 ns pulse duration in a two-wave mixing experiment was employed for exploring the studied optical nonlinearities of the samples. The contribution of optical processes to mechanical characteristics dependent on high optical irradiance in carbon nanotubes was described. A variation in the mass density associated to the optically irradiated tubes allowed us to calculate the change in Young's modulus in a thin film configuration. The estimation of an opto-mechanical phenomenon was based on the evaluation of the nonlinearity of index responsible for the optical Kerr effect. According to Raman and optical evaluations, the inclusion of metallic nanoparticles in carbon structures results in a modification of surface that also gives origin to noticeable optical Kerr nonlinearities. Potential applications for developing laser-induced controlled opto-mechanical nanohybrid systems can be contemplated. |
| Keywords: | Nonlinear optics Optical Kerr effect Carbon nanotubes Platinum nanoparticles |
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