Zobrazeno 1 - 10
of 104
pro vyhledávání: '"V. V. Koltashev"'
Autor:
I. S. Silina, Е. А. Katsman, Yu. A. Treger, V. N. Rozanov, L. D. Iskhakova, R. P. Ermakov, V. V. Koltashev, L. G. Bruk
Publikováno v:
Тонкие химические технологии, Vol 12, Iss 2, Pp 50-61 (2017)
Heterogeneous oxidative chlorination of methane was investigated. The target product is methyl chloride. The investigated terms and conditions of oxychlorination of methane: process temperature 400°C, pressure 0.1-0.9 MPa, catalyst (% weight.): copp
Externí odkaz:
https://doaj.org/article/a117c888ef5747fe98e4e36282b6aac8
Publikováno v:
Geochemistry International. 58:670-686
A set of experiments was carried out in the system NaAlSi3O8–FeO–NiO–CoO–SiC–NaH2PO4 at 1550°C, 4 GPa, and oxygen fugacity (fO2) 0.5–2.9 log. units below the iron–wustite (IW) buffer to estimate how C–O–H components can affect Ni,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fad05f8e4a17752a151782a5a5ca502
https://doi.org/10.1134/s0016702920060063
https://doi.org/10.1134/s0016702920060063
Autor:
P, Fjodorow, M P, Frolov, Y V, Korostelin, V I, Kozlovsky, S O, Leonov, Y K, Skasyrsky, B I, Denker, B I, Galagan, S E, Sverchkov, V V, Koltashev, V G, Plotnichenko, M V, Sukhanov, A P, Velmuzhov
Publikováno v:
Optics letters. 47(2)
The first, to the best of our knowledge, mid-infrared Q-switched Ce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::283b4caa15ed1bf04f51d9edb4ded6f2
https://pubmed.ncbi.nlm.nih.gov/35030594
https://pubmed.ncbi.nlm.nih.gov/35030594
Autor:
Peter, Fjodorow, Mikhail P, Frolov, Stanislav O, Leonov, B I, Denker, B I, Galagan, S E, Sverchkov, V V, Koltashev, V G, Plotnichenko, M V, Sukhanov, A P, Velmuzhov
Publikováno v:
Optics express. 29(17)
An extensive study of a novel room-temperature mid-infrared Ce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c8b2e122c463f8fccdbaf20dc62dd9ab
https://pubmed.ncbi.nlm.nih.gov/34615179
https://pubmed.ncbi.nlm.nih.gov/34615179
Autor:
B I, Denker, B I, Galagan, S E, Sverchkov, V V, Koltashev, V G, Plotnichenko, M V, Sukhanov, A P, Velmuzhov, M P, Frolov, Yu V, Korostelin, V I, Kozlovsky, S O, Leonov, P, Fjodorow, Ya K, Skasyrsky
Publikováno v:
Optics letters. 46(16)
In high purity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::7cf9232eec1bf52f77795ea7bf0854e8
https://pubmed.ncbi.nlm.nih.gov/34388796
https://pubmed.ncbi.nlm.nih.gov/34388796
Autor:
Mikhail P. Frolov, Boris I. Galagan, Sergey E. Sverchkov, Stanislav O. Leonov, Boris I. Denker, V. G. Plotnichenko, V. V. Koltashev, Alexander Velmuzhov, Peter Fjodorow, M.V. Sukhanov
An extensive study of a novel room-temperature mid-infrared Ce3+-doped Ge20Sb10Ga5Se65 glass laser is reported. An influence of output-coupler transmission on laser efficiency and emission spectra is investigated. Pumped by a pulsed Fe:ZnSe laser at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd520832cc7b2808bd319850bb638dc8
https://duepublico2.uni-due.de/servlets/MCRFileNodeServlet/duepublico_derivate_00075999/Fjodorow_et_al_2021_Mid-infrared_laser.pdf
https://duepublico2.uni-due.de/servlets/MCRFileNodeServlet/duepublico_derivate_00075999/Fjodorow_et_al_2021_Mid-infrared_laser.pdf
Autor:
V. V. Koltashev, Boris I. Galagan, Vladimir A. Kamynin, Boris I. Denker, Vladimir B. Tsvetkov, Oleg I. Medvedkov, S. A. Filatova, Sergey E. Sverchkov
Publikováno v:
Results in Physics, Vol 27, Iss, Pp 104512-(2021)
The amplification of a weak narrow-spectrum pulsed signal at a wavelength of 2.27 µm in Tm3+-doped tellurite fiber was demonstrated. The double-clad Tm3+-doped TeO2–ZnO–La2O3–Na2O glass fiber was used as an amplifier active medium. The pulsed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3fff2fc5f0676b08c9bbae2b79434f5
http://www.sciencedirect.com/science/article/pii/S2211379721006227
http://www.sciencedirect.com/science/article/pii/S2211379721006227
Publikováno v:
Photonics, Vol 8, Iss 320, p 320 (2021)
Photonics
Volume 8
Issue 8
Photonics
Volume 8
Issue 8
A series of glass samples of the tungsten–tellurite system TeO2-WO3-Bi2O3-(4-x) La2O3-xEr2O3, x = 0
0.4
0.5
0.7
1.2
2
4 mol%, CEr = 0 - 15 × 1020 cm−3 were synthesized from high-purity oxides in an oxygen flow insid
0.4
0.5
0.7
1.2
2
4 mol%, CEr = 0 - 15 × 1020 cm−3 were synthesized from high-purity oxides in an oxygen flow insid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ff922096a470ab838f81b45d44169ff
https://www.mdpi.com/2304-6732/8/8/320
https://www.mdpi.com/2304-6732/8/8/320
Publikováno v:
Inorganic Materials. 55:271-276
We have studied spontaneous and stimulated Raman spectra of polycrystalline LiOH and LiOD. The observed spontaneous Raman spectra contain low-frequency high-quality-factor lattice modes corresponding to translational and librational oscillations of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5eeca8ab6842582c1029edb3349beeef
https://doi.org/10.1134/s0020168519030087
https://doi.org/10.1134/s0020168519030087
Autor:
S E Motorin, Mikhail Smayev, Andrey Okhrimchuk, V. V. Koltashev, K.V. Balueva, Vitaly V. Dorofeev, A.D. Plekhovich
Publikováno v:
2020 International Conference Laser Optics (ICLO).
Tellurium dioxide based glasses with a low hydroxyl groups concentration were synthesized in an atmosphere of dried oxygen from initial high purity oxides. Large high-quality optical elements were manufactured and investigated from the point of view
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98fa4a90ec61b0bd582022057e708d32
https://doi.org/10.1109/iclo48556.2020.9285764
https://doi.org/10.1109/iclo48556.2020.9285764