Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Yu A Shakir"'
Autor:
Yu. A. Shakir, V. M. Marchenko
Publikováno v:
Optics and Spectroscopy. 128:695-697
The temperature dependence of the selective emission intensity of the R1 line upon laser-thermal heating of ruby is studied and explained by competition of radiative and nonradiative relaxation processes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96ca9065fbe1b656ce73478c7a0a3a95
https://doi.org/10.1134/s0030400x20060144
https://doi.org/10.1134/s0030400x20060144
Publikováno v:
Journal of Applied Spectroscopy. 84:751-756
The dependences of single-crystal YAG:0.5%Er3+ spectra in the range 200–1700 nm and the kinetics of the integrated emission on the excitation-energy density W of a single CO2-laser pulse of ~100 ns FWHM duration at λex = 10.6 μm were investigated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d122ef0c09b01dc69ce29b57c0e083b
https://doi.org/10.1007/s10812-017-0540-1
https://doi.org/10.1007/s10812-017-0540-1
Autor:
Elena S. Zhukova, Yu. A. Shakir, Gennady A. Komandin, O. E. Porodinkov, A. S. Prokhorov, Igor E. Spektor, A I Gribenyukov, S. V. Chuchupal
Publikováno v:
Physics of the Solid State. 56:1391-1396
Physical mechanisms of formation of radiation losses in the terahertz range in ZnGeP2 crystals have been experimentally studied in the wave number range of 5–350 cm−1 at temperatures of 10–300 K. The dominant contribution of two-phonon differen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d0f3bb3c5a710a5172cff47b7b74094
https://doi.org/10.1134/s1063783414070063
https://doi.org/10.1134/s1063783414070063
Publikováno v:
Physics of Wave Phenomena. 18:240-244
Possible parametric oscillation of 3-THz pulse at synchronous pumping of the ZnGeP2 crystal by a train of short second-harmonic pulses from the CO2 laser has been analyzed. Calculation shows that at changing laser pulse duration τ between 4 and 500
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f81c9eaed39729dc32fdc10d39e0916
https://doi.org/10.3103/s1541308x10040023
https://doi.org/10.3103/s1541308x10040023
Publikováno v:
Physics of Wave Phenomena. 17:233-240
Analysis is given for a possibility of singly resonant parametric oscillation in the submillimeter range at synchronous pumping of the ZnGeP2 crystal by a train of 100-ps second-harmonic pulses from the CO2 laser with the radiation energy 1.0 J. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29d1e00ab500498dfe3cdcc7b55cad11
https://doi.org/10.3103/s1541308x09040013
https://doi.org/10.3103/s1541308x09040013
Publikováno v:
High-Energy Molecular Lasers ISBN: 9783319333571
This chapter reports on the construction of a regenerative TEA CO2 amplifier emitting a pulse train with the duration of individual pulses controlled in the range 10–40 ns, the time interval between them ~110 ns, and their total energy ~4 J. An inj
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f19c2ad914eda21a19cbcfb90e43fb7
https://doi.org/10.1007/978-3-319-33359-5_38
https://doi.org/10.1007/978-3-319-33359-5_38
Publikováno v:
Journal of Physics D: Applied Physics. 35:1477-1480
For the first time for a ZnGeP2 crystal, the three-wave interaction of picosecond pulses was considered as the difference frequency generation. The group velocities and absorption of radiation were taken into account in performing a spectral analysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80fc797577c9e65c668be056b7ed067b
https://doi.org/10.1088/0022-3727/35/13/304
https://doi.org/10.1088/0022-3727/35/13/304
Autor:
Yu A. Shakir, V. M. Marchenko
Publikováno v:
2014 International Conference Laser Optics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ce2c2a220c550d778a2e7ffa5521221
https://doi.org/10.1109/lo.2014.6886279
https://doi.org/10.1109/lo.2014.6886279
Autor:
A. G. Suzdaltsev, R. Bocquet, C. Rouyer, A I Gribenyukov, Victor V. Apollonov, Yu. A. Shakir, A. Boscheron, V. V. Korotkova
Publikováno v:
International Journal of Infrared and Millimeter Waves. 17:1465-1472
a pulsed radiation power of the order of 1W in the submillimeter range (102 -110 μm) was reached for the first time, with the aid of a ZnGeP 2 crystal, at the difference frequency of CO 2 laser radiations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9b7af8efed7130032c119ef7aa5c7ad
https://doi.org/10.1007/bf02068797
https://doi.org/10.1007/bf02068797
Autor:
Yu. A. Shakir, V. M. Marchenko
Publikováno v:
EPJ Web of Conferences, Vol 132, p 03051 (2017)
Spectra and kinetics of emission of YAG:0.5% Er 3+ monocrystal in visible and NIR ranges were investigated under laser-thermal excitation by the pulses of CO 2 laser of 100 ns duration at wavelength λ = 10,6 μμm. Kinetics of integral emission was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96e1196a72cec47857d7634b1f87a330
https://doi.org/10.1051/epjconf/201713203051
https://doi.org/10.1051/epjconf/201713203051