Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Yuri M. Andreev"'
Autor:
Nazar A. Nikolaev, Alexander A. Mamrashev, Valery D. Antsygin, Dmitry M. Ezhov, Dmitry M. Lubenko, Valery A. Svetlichnyi, Yuri M. Andreev, Valery F. Losev
Publikováno v:
Proceedings of SPIE. 2021. Vol. 12086 : XV International Conference on Pulsed Lasers and Laser Applications, 2021, Tomsk, Russian Federation. P. 120861A-1-120861A-44
We present the thorough studies of dielectric properties of BiB3O6 (BIBO) crystal in the subterahertz range. We observe a large birefringence Δn = nZ −nX = 1.5 and the values of absorption coefficients of all three axes to be less than 0.5 cm−1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::610fcc886919b8731028fd22021a4ac4
https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000896409
https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000896409
Publikováno v:
SPIE Proceedings.
Disperse properties of biaxial mixed LiIn(Se1S)2, x = 0; 0.5; 1, nonlinear crystals are investigated. Most usefulSellmeier equations for parent LiInS2, LiInSe2 and mixed LiIn(Se0 5S0 5)2 crystals are identified from available andoriginal results on d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a3cdadadf4f7834d63fffd2faf33154
https://doi.org/10.1117/12.677916
https://doi.org/10.1117/12.677916
Autor:
Gregory V. Lanskii, Yuri M. Andreev, Alexander A. Tikhomirov, Olga V. Voevodina, Sergey Yu. Sarkisov
Publikováno v:
SPIE Proceedings.
The physical properties of pure GaSe and the crystals doped with 0.01÷3% Al, In, Te, and S have been observed comparatively to reveal the potentials for frequency conversion of laser emission. It has been shown that GaSe:S(greater than or equal to 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::beb78d0a47ef3a3e0f1639cd11ac5905
https://doi.org/10.1117/12.677065
https://doi.org/10.1117/12.677065
Autor:
Yuri M. Andreev, Jonathan T. Goldstein, Sergey Yu. Sarkisov, Olga V. Voevodina, A.N. Morozov, Nils C. Fernelius
Publikováno v:
MRS Proceedings. 891
In spite of the progress in GaSe growing technology (high-quality crystals grown by the latest technology are characterized by low values of optical losses with the absorption coefficient values lying below 0.1 cm−1) the work continues on improving
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74dad875c93c00847dcd3f88dc5c0cce
https://doi.org/10.1557/proc-0891-ee03-25
https://doi.org/10.1557/proc-0891-ee03-25
Autor:
Victor V. Atuchin, Pavel P. Geiko, V. V. Popov, N. C. Trocenko, G. V. Lanskii, Yuri M. Andreev
Publikováno v:
SPIE Proceedings.
LiInSe2 and mixed LiIn(S 0.5 Se 0.5 )2 crystals are grown by vertical Bridgman-Stockbarger method. Optical properties of deep red LiInSe2, yellowish LiInS2, and orange LiIn(S 0.5 Se 0.5)2 crystals are investigated. Second harmonic generation has been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40f839bbede3690b1722f88bc5e2b1fd
https://doi.org/10.1117/12.606299
https://doi.org/10.1117/12.606299
Publikováno v:
SPIE Proceedings.
Up-conversion of long, 3-50-μs, pulses imitating input signals of CO2 laser differential absorption lidars was investigated experimentally. Efficiency of 1 to 2% has been acheived when using 1.06-μm Nd:YAG pump emission and 3.9 mm ZnGeP2 crystal th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9cab315d03c12cd36e0ae7bac4a86bf
https://doi.org/10.1117/12.548593
https://doi.org/10.1117/12.548593
Autor:
Deming Ren, Pavel P. Geiko, Valerii V Badikov, Jinzhe Huang, Yuri M. Andreev, Xiaoyong Hu, Yanchen Qu
Publikováno v:
SPIE Proceedings.
As it is known well, using of frequency doubling in differential absorption CO2 laser lidars increases the number of atmospheric gases under the control. Additional improvement in potential and gas analyses accuracy, technical and exploitation parame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3607b6338a250e160c2d7f69f42e174d
https://doi.org/10.1117/12.548598
https://doi.org/10.1117/12.548598
Autor:
Pavel P. Geiko, I. V. Sherstov, Vladimir Panyutin, Yuri M. Andreev, A. I. Karapuzikov, Maxim V. Ivaschenko, Galina S. Shevyrdayeva, Valery V. Badikov
Publikováno v:
SPIE Proceedings.
Second harmonic generation of 9 μm emission band of CO2 laser is for the first time realized with a number of new nonlinear crystals: biaxial LiInSe2, AgGaGeS4 and uniaxial HgGa2S4, Cd0.35,Hg0.65Ga2S4. For LiInSe2 and AgGaGeS4 it is first type of fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::994d6c1cace0781d9271d45b08543492
https://doi.org/10.1117/12.497306
https://doi.org/10.1117/12.497306
Autor:
Yuri M. Andreev, Tao Ma, Sergey G. Grechin, Jin-Yue Gao, Yu Jiang, Pavel P. Geiko, A. V. Shaiduko
Publikováno v:
SPIE Proceedings.
Optical linear and nonlinear properties of AgGaGexS2(1+x), Hg(1-x)CdxGa2S4, LiInSe2, and LiInS2 non-linear crystals are investigated in details so as their potential in frequency conversion of femtosecond pulses for lidar applications.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c77f26795af2c565fcfedcaad3a3898f
https://doi.org/10.1117/12.497308
https://doi.org/10.1117/12.497308
Publikováno v:
SPIE Proceedings.
Growth and nonlinear optical properties of HgGa2S4 and mixed chalcopyrite Cd4Hg06Ga2S4 & AgGaGeS4 crystals have beenreported. Sellmeier coefficients have also been developed from the measured refractive indices in all these crystals. Nonlinearlaser d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a76d78b329f6c183121cd8270d1b15af
https://doi.org/10.1117/12.484474
https://doi.org/10.1117/12.484474