Zobrazeno 1 - 10
of 40
pro vyhledávání: '"D. B. Kolker"'
Publikováno v:
Instruments and Experimental Techniques. 65:934-941
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a3c6adfa437c4df8951e75752ae724c
https://doi.org/10.1134/s0020441222060069
https://doi.org/10.1134/s0020441222060069
Publikováno v:
Journal of Applied Spectroscopy. 89:580-586
The choice of the generation modes of quantum cascade lasers for optical-acoustic sensors of methan and ammonia is substantiated and the tuning and output characteristics of these lasers depending on the current and temperature are given. The results
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ab63d0c0067948a8c1ba649bc007214
https://doi.org/10.47612/0514-7506-2022-89-4-580-586
https://doi.org/10.47612/0514-7506-2022-89-4-580-586
Autor:
D B Kolker, I V Sherstov
Publikováno v:
Quantum Electronics. 50:1063-1067
We demonstrate a bench-scale prototype of a photoacoustic (PA) methane gas analyser that takes advantage of an optical parametric oscillator (OPO) based on a fan-out MgO : PPLN structure and resonant differential PA detector. The OPO emits in a repet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e000be760960eedacc850a937c22c9b0
https://doi.org/10.1070/qel17316
https://doi.org/10.1070/qel17316
Autor:
N. Yu. Kostyukova, A. P. Eliseev, D. B. Kolker, E. Yu. Erushin, V. Ya. Shur, M. A. Chuvakova, A. R. Akhmatkhanov, L.I. Isaenko, S. A. Zhurkov, Vitaly Vedenyapin, A. A. Boiko
Publikováno v:
Quantum Electronics. 50:788-792
A potassium titanyl arsenate (KTiOAsO4, KTA) crystal 50 × 80 × 60 mm in size has been grown by upgraded Czochralski method from flux (TGGS) with a decrease in temperature from 900 to 770 °C during pulling. It is shown that the spectroscopic proper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1177d0655d8f19d861bbbccf063cc13e
https://doi.org/10.1070/qel17265
https://doi.org/10.1070/qel17265
Autor:
I. Korel, B. N. Nyushkov, N. Kostyukova, E. Erushin, Andrey A. Boyko, A. V. Ivanenko, D. B. Kolker
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
We explored possibility to enhance spectroscopic capabilities of mid-IR optical parametric oscillators (OPOs). Gas analysis based on the principles of photoacoustic spectroscopy (PAS) [1] is known to be an efficient approach to measure concentration
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ba84370dce675037afebfd5e70f5a18
https://doi.org/10.1109/cleo/europe-eqec52157.2021.9542063
https://doi.org/10.1109/cleo/europe-eqec52157.2021.9542063
Autor:
Sergey Larin, Ludmila I. Isaenko, V. Ya. Shur, A. R. Ahmatkhanov, Oleg L. Antipov, D. B. Kolker, V. N. Vedenyapin
Publikováno v:
Atmospheric and Oceanic Optics. 32:724-729
Optical parametric oscillator based on a periodically poled MgO:LiNbO3 crystal pumped by a repetitevely pulsed Tm3+:Lu2O3 ceramics laser at 1966 nm was studied. The OPO average output power up to 530 mW at wavelength of 3.7–4.2 μm was achieved at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26fb0b9400309a7ed86a829391b112a3
https://doi.org/10.1134/s1024856019060083
https://doi.org/10.1134/s1024856019060083
Publikováno v:
Instruments and experimental techniques. 2021. Vol. 64, № 2. P. 254-258
The results of experimental studies of the effect of narrow-band seeding radiation of a gas laser on the spectral width of the oscillation line of an optical parametric oscillator (OPO), which is based on a fan-out structure of a periodically poled l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea0cf883ca568fe3a478edb78aa1bf28
https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000924734
https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000924734
Publikováno v:
Russian physics journal. 2021. Vol. 64, № 8. P. 1517-1521
Model studies of the optimal phase matching conditions are performed for the implementation of an optical parametric oscillator (OPO) in the mid-infrared range (IR) based on promising nonlinear crystals, such as: cadmium selenide CdSe, barium selenog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91bf7e5e35d7eb451d2e853cb4c60d7c
https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000924733
https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000924733
Autor:
A I Akhmathanov, I. V. Sherstov, Nadezhda Y. Kostyukova, A V Pavluck, A Y Kiryakova, D B Kolker, B N Nyushkov, E Y Erushin, A A Boyko
Publikováno v:
J. Phys. Conf. Ser.
Journal of Physics: Conference Series
Journal of Physics: Conference Series
We demonstrate advanced experimental approaches to photoacoustic gas detection with tunable mid-infrared (mid-IR) laser sources of different types. A gas analyzer for registration of various gas components based on a tunable narrow-linewidth optical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac3031cadb46902c6b4a0885d63bd009
https://hdl.handle.net/10995/112045
https://hdl.handle.net/10995/112045
Publikováno v:
2020 International Conference Laser Optics (ICLO).
We report on theoretical and experimental study of pulsed lasing driven by synchronous pumping of an Yb-fiber laser. We show that even simple sine-wave modulation of the pump power with moderate depth (~50%) can result in shaping of a regular train o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00b6871e00953313188b343717cdcfd6
https://doi.org/10.1109/iclo48556.2020.9285861
https://doi.org/10.1109/iclo48556.2020.9285861