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Non-linear optical properties of nanostructured titanium nitride under high-power laser pumping in the fundamental absorption band

S.S. Volchkov
Yury Gagarin State Technical University of Saratov, 77 Polytechnicheskaya st., Saratov, 410054, Russia
L.A. Kochkurov
Yury Gagarin State Technical University of Saratov, 77 Polytechnicheskaya st., Saratov, 410054, Russia
D.A. Zimnyakov
Yury Gagarin State Technical University of Saratov, 77 Polytechnicheskaya st., Saratov, 410054, Russia
Institute for Problems of Precision Mechanics and Control RAS, 24 Rabochaya st., Saratov, 410028, Russia

Abstract

Non-linear optical properties of titanium nitride nanoparticles were examined using the modified z-scan technique with simultaneous acquisition of the Rayleigh scattering at the direct angle to the polarization plane of a probe laser beam. The pump-intensity-dependent real and imaginary parts of the effective dielectric function of nanoparticles at the wavelength of 355 nm were recovered from the obtained experimental data and displayed using the Cole-Cole diagrammatic technique.

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A.Sh. Gubanov
Yury Gagarin State Technical University of Saratov, 77 Polytechnicheskaya st., Saratov, 410054, Russia
Russia

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