Zobrazeno 1 - 10
of 28
pro vyhledávání: '"V. P. Gapontsev"'
Autor:
Nirmala, R., Jang, Kwang-Hyun, Sim, Hasung, Cho, Hwanbeom, Lee, Junghwan, Yang, Nam-Geun, Lee, Seongsu, Ibberson, R. M., Kakurai, K., Matsuda, M., Cheong, S. -W., Streltsov, V. V. Gapontsev S. V., Park, Je-Geun
CuAl2O4 is a normal spinel oxide having quantum spin, S=1/2 for Cu2+. It is a rather unique feature that the Cu2+ ions of CuAl2O4 sit at a tetrahedral position, not like the usual octahedral position for many oxides. At low temperatures, it exhibits
Externí odkaz:
http://arxiv.org/abs/1701.08272
Autor:
E. S. Kozlyakova, A. V. Moskin, P. S. Berdonosov, V. V. Gapontsev, S. V. Streltsov, M. Uhlarz, S. Spachmann, A. ElGhandour, R. Klingeler, A. N. Vasiliev
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
Abstract Uniform quasi-one-dimensional integer spin compounds are of interest as a potential realization of the Haldane conjecture of a gapped spin liquid. This phase, however, has to compete with magnetic anisotropy and long-range ordered phases, th
Externí odkaz:
https://doaj.org/article/a319e5b23e314e04ba256125adb34383
Publikováno v:
Obrazovanie i Nauka, Vol 23, Iss 1, Pp 11-43 (2021)
Introduction. The first part of this work is devoted to the examination of the scientific knowledge structure as a three-level scheme of its division (the field of phenomena of nature, laws of nature and the field of symmetry principles), wherein eac
Externí odkaz:
https://doaj.org/article/8c58ba5b75b148cfa71ad8833c561a08
Publikováno v:
Obrazovanie i Nauka, Vol 22, Iss 10, Pp 11-40 (2020)
Introduction. The issue of the global educational crisis was outlined by Ch. P. Snow and denoted by Ph. H. Coombs more than sixty years ago. The viewpoints on this problem outspoken ever since are diversified, but it did not lead to blunting of acute
Externí odkaz:
https://doaj.org/article/e1d663d181154565a4908c7102a6d9d9
Publikováno v:
Obrazovanie i Nauka, Vol 21, Iss 4, Pp 9-35 (2019)
Introduction. In recent decades, the problem of the formation of a holistic perception in students’ minds of the surrounding reality in the field of education has become acute. The buildup of scientific knowledge, which is a determinant of the stru
Externí odkaz:
https://doaj.org/article/fdd2afdcc6f84692bd6d35051d7c517b
Publikováno v:
2016 International Conference Laser Optics (LO).
Ultrashort erbium fiber laser system is presented. Optical module is integrated in IPG standard rack and is ready to use. Pulses with energy up to 20 microjoules are obtained, whereas maximum pulse repetition rate is 2 MHz. One of the main features o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d99d8db3b8f0c5f86da2b87cd06affe6
https://doi.org/10.1109/lo.2016.7549939
https://doi.org/10.1109/lo.2016.7549939
Publikováno v:
Quantum Electronics. 32:1003-1006
The characteristics and possible applications of scalpels based on diode and fibre lasers emitting at 0.97, 1.06, 1.56, and 1.9 μm, which are produced and developed by the IRE-Polyus Co., are presented. The advantages of such devices and the possibi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f787f3c6846af619a71690a5689b93c
https://doi.org/10.1070/qe2002v032n11abeh002336
https://doi.org/10.1070/qe2002v032n11abeh002336
Publikováno v:
Optics and Spectroscopy. 92:67-82
Formation of the inverse population of working levels of 3-µm laser transition in LiY1−x ErxF4 (x=0.003–1) crystals under CW InGaAs laser-diode pumping (0.967–0.982 µm) was investigated. Dependences of population of the 4 I 11/2 and 4 I 13/2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42acd5e63a7bf89c262a5c5c52a896e1
https://doi.org/10.1134/1.1446584
https://doi.org/10.1134/1.1446584
Publikováno v:
Journal of Luminescence. :317-320
Formation of inverse population of working levels of 3 μm and green laser transitions in LiY 1− x Er x F 4 ( x =0.003–1) crystals under IR cw InGaAs laser-diode pumping is studied. Populations of studied levels were experimentally controlled by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bbf44ef947aa71691924dac6fac5664
https://doi.org/10.1016/s0022-2313(01)00393-3
https://doi.org/10.1016/s0022-2313(01)00393-3
Autor:
S. I. Tsypina, I E Samartsev, Viktor N Bagratashvili, V P Minaev, G. Sh. Makhmutova, Nodar V. Bagratashvili, Alexander I. Omelchenko, Alexander P. Sviridov, E N Sobol, V P Gapontsev
Publikováno v:
Quantum Electronics. 31:534-538
The in vitro dynamics of the change in optical properties of hyaline cartilage heated by fibre lasers at wavelengths 0.97 and 1.56 μm is studied. The laser-induced bleaching (at 1.56 μm) and darkening (at 0.97 μm) of the cartilage, caused by the h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c25b8a79e6453240ae8907be97000a90
https://doi.org/10.1070/qe2001v031n06abeh001996
https://doi.org/10.1070/qe2001v031n06abeh001996