Zobrazeno 1 - 10
of 23
pro vyhledávání: '"S. Ya. Rusanov"'
Autor:
E.A. Dobretsova, O.K. Alimov, S. Ya. Rusanov, V.V. Kashin, S.A. Kutovoi, V.I. Vlasov, D.A. Guryev, V.S. Tsvetkov, V.B. Tsvetkov
Publikováno v:
2022 International Conference Laser Optics (ICLO).
Publikováno v:
Journal of Crystal Growth. 506:165-170
The evolution of the Er3+:YAG thermal radiation spectra at heating up to the melting point was investigated in the visible range when growing a crystal fiber by the Laser-Heated Pedestal Growth (LHPG) method. The Er3+:YAG melt of about 1 mm thickness
Publikováno v:
Journal of Crystal Growth. 575:126355
The refractive index (RI) of a sapphire crystal melt was determined at high temperatures (exceeding 2350 K) in the visible spectral range. Data were obtained from the analysis results of the state of polarization of the intrinsic thermal radiation of
Autor:
V.A. Kamynin, V. F. Seregin, Yu. N. Pyrkov, S. Ya. Rusanov, Vladimir B. Tsvetkov, G. A. Bufetova
Publikováno v:
Journal of Crystal Growth. 433:54-58
Temperature distribution along a single crystal fiber molten zone in the laser heated pedestal growth (LHPG) process of pure sapphire (Al 2 O 3 ) and yttrium–aluminum garnet (Y 3 Al 5 O 12 ) fiber was measured for the first time. The temperature wa
Publikováno v:
Journal of Applied Physics. 127:035104
A new method for measuring the refractive index of crystals and melts at high temperatures is presented. The refractive index of an Er3+:YAG crystal melt is determined during the laser-heated pedestal growth process close to the melting point. The ma
Publikováno v:
Physics of Wave Phenomena. 22:255-261
A setup is developed for measuring optical characteristics of opaque and translucent solids in the temperature range of 25 to 1600°C and spectral range of 0.65 to 10.6 µm. Procedures of calibration experiments and measurements of spectral and integ
Publikováno v:
Quantum Electronics. 45:47-49
We demonstrate the employment of single-crystal optical fibres based on lithium niobate for doubling the laser radiation frequency. The measured characteristics of the fibre confirm its high quality and spatial homogeneity. Parameters of the frequenc
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 5:986-991
Single-crystal Ln2O3 (Ln = Sm, Eu, Gd) fibers are grown by the laser-heated miniature pedestal technique. The relationship between the microstructure of fibers and their plasticity is analyzed using scanning electron microscopy, energy-dispersive mic
Autor:
A.A. Yakovlev, D. A. Nikolaev, G. A. Bufetova, V. F. Seregin, Vladimir B. Tsvetkov, V. V. Kashin, S. Ya. Rusanov, Ivan A Shcherbakov
Publikováno v:
Quantum Electronics. 36:616-619
The efficient technology is developed for growing high-quality doped single-crystal fibres by the mini-pedestal method with laser heating. The technology can be used to fabricate high-quality doped single-crystal fibres with a controllable radial gra
Autor:
A. A. Yakovlev, V. I. Masychev, V. K. Sysoev, Papchenko Boris P, N. P. Glukhoedov, S. Ya. Rusanov
Publikováno v:
Inorganic Materials. 39:532-537
IR (10.6 μm) laser irradiation of silica glass preforms ensures rapid evaporation of the surface layer. The resulting deposit consists of amorphous SiO2 with a particle size of ∼ 70 nm.