Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Sh. Payziyev"'
Publikováno v:
Applied Solar Energy. 57:541-551
Autor:
F.M. Kamoliddinov, Sh.A. Begimkulov, A.G. Aliboyev, A.A. Sherniyozov, F.A. Shermatova, Sh. Payziyev, A.G. Qahhorov
Publikováno v:
«Узбекский физический журнал». 23:45-47
Here we present the results of our study on the feasibility of a multi-pass pumping scheme in solar lasers. A secondary concentrator has been developed to ensure the multiple passage of solar photons through the active medium. When using a multi-pass
Autor:
A.A. Sherniyozov, G.A. Khalikov, Kh. Makhmudov, M.Z. Ismailov, Kh. F. Zikrillayev, D.E. Payziyeva, Sh. Payziyev, S. A. Bakhramov
Publikováno v:
«Узбекский физический журнал». 22:287-290
The effect of using external frequency converters on the luminescence intensity of an Nd:YAG crystal is studied. The crystal is illuminated by light-emitting diode (LED) with and without Y3Al5O12:Ce3+ material as an external converter. Obtained exper
Autor:
Sh. Payziyev, A.A. Sherniyozov
Publikováno v:
Applied Solar Energy. 56:458-465
A multi-pass side-pumping scheme for solar pumped Nd:YAG laser on 1 m diameter Fresnel lens is numerically analyzed. Using of the Monte Carlo photon-tracing numerical method, three different pumping schemes were studied. The results showed that a lar
Autor:
A.A. Sherniyozov, T. G. Khottchenkova, D. E. Payzieva, Sh. Payziyev, Kh. Makhmudov, Kh. F. Zikrillayev, S. A. Bakhramov, G.A. Khalikov, M.Z. Ismailov
Publikováno v:
Journal of Applied Spectroscopy. 88:370-372
The luminescence intensity of a Nd3+:Y3Al5O12 laser crystal excited by light from a blue LED with λ ≈ 454 nm, simulating the ultraviolet part of the solar spectrum, is studied before and after use of a special converter based on Ce3+:Y3Al5O12 lumi
Publikováno v:
Applied Solar Energy. 55:404-408
The processes of heating and melting of materials in a concentrated high-density solar flux at the Large Solar Furnace are studied. The possibilities of calculating the rate of heating and cooling of molten materials are shown using the example of py
Publikováno v:
«Узбекский физический журнал». 21:168-171
Прозрачные керамические YAG-лазерные материалы с высоким содержанием неодима исследуются для применения в преобразовании солнечной эне
Publikováno v:
Optik. 156:891-895
A simulation model for a solar laser is designed using Ce:Nd:YAG as an active medium. A system of a parabolic concentrator, a glass light guide and a secondary concentrator is simulated to concentrate the solar radiation on to a laser head of the typ
Autor:
Kh. Makhmudov, G.A. Khalikov, D.E. Payziyeva, A.A. Sherniyozov, M.Z. Ismailov, Kh. F. Zikrillayev, Sh. Payziyev, S. A. Bakhramov
Publikováno v:
Optics Communications. 499:127283
The study of the process of energy transfer in an active medium with a sensitizer based on Ce: Nd: YAG material under pumping by LED at a wavelength of 454 nm and by solar radiation is carried out. Based on the results of experimental studies of the
Autor:
Kh. Makhmudov, Sh. Payziyev
Publikováno v:
Optics Communications. 380:57-60
The possibility of increase of Nd:YAG solar pumped lasers pumping efficiency with the use of Cr:LiCAF as a solar spectrum frequency-down-shifting element is studied by the simulation calculation method. Comparative analyses of side- and end-pumping s