Potentially hazardous elements in atmospheric precipitation during the warm season (May–September) of 2019 in Moscow

Autor: Dmitrii Vlasov, Irina D. Eremina, Natalia E. Kosheleva, Galina Shinkareva, Natalia E. Chubarova, Nikolay S. Kasimov

Publikováno v: Geography, Environment, Sustainability, Vol 17, Iss 3, Pp 70-84 (2024)

Atmospheric precipitation acts as a significant pathway for pollutants from the atmosphere to the Earth’s surface, and analyzing urban precipitation data on intensity, fallout regime, transfer patterns, and solid particle content helps identify pol

Externí odkaz: https://doaj.org/article/73359c10a109462783ac2cc36e980059

Numerical model of hybrid mode-locked Tm-doped all-fibre laser

Autor: Aleksandr Donodin, Vasilii Voropaev, Daniil Batov, Dmitrii Vlasov, Vladimir Lazarev, Mikhail Tarabrin, Aleksandr Khegai, Mikhail Likhachev

Publikováno v: Scientific Reports, Vol 10, Iss 1, Pp 1-9 (2020)

Abstract Ultrafast Tm-doped fibre lasers have been actively studied for the last decade due to their potential applications in precise mid-IR spectroscopy, LIDARs, material processing and more. The majority of research papers is devoted to the compar

Externí odkaz: https://doaj.org/article/c2438f7742b54c7788a3e04b1687967e

Octave-Spanning Supercontinuum Generated in As2S3-Silica Waveguides Pumped by Tm-doped All-fibre MOPA

Autor: Vladimir A. Lazarev, Aleksandr Donodin, Daniil Batov, Shangran Xie, Johann Troles, Dmitrii Vlasov, Vasilii Voropaev, Mikhail K. Tarabrin

Publikováno v: Conference on Lasers and Electro-Optics Europe / European Quantum Electronics Conference (CLEO/Europe-EQEC)
Conference on Lasers and Electro-Optics Europe / European Quantum Electronics Conference (CLEO/Europe-EQEC), Jun 2021, Munich, Germany. ⟨10.1109/CLEO/Europe-EQEC52157.2021.9542421⟩

International audience; Fiber-based supercontinuum sources in the mid-IR wavelength range are highly desirable for many applications [1] - [3] . Here we report the generation of octave-spanning supercontinua in As 2 S 3 -silica hybrid waveguides pump

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53c61929ea3fcddb194f86b86fe4605c
https://hal.science/hal-03597025

Ultrashort Pulse Amplification and Compression at 1.9 μm Using Normal Dispersion Thulium-Doped Germanosilicate Fiber

Autor: Aleksandr Donodin, Mikhail E. Likhachev, Mikhail V. Yashkov, Mikhail K. Tarabrin, Vladimir A. Lazarev, Daniil Batov, A.I. Voronets, Vasiliy S. Voropaev, Dmitrii Vlasov, Valery E. Karasik, Aleksandr Khegai

Publikováno v: Frontiers in Optics / Laser Science.

We demonstrate amplification dynamics and compression of 1.9 μm ultrashort (330 fs) pulses using a normal dispersion thulium-doped germanosilicate fiber. The maximum pulse energy is 65 nJ and minimum pulse duration is 60 fs.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9a987b86f3021e4eb98ef57879c80ca
https://doi.org/10.1364/ls.2020.lw7g.2

Operating speed measurement of photodetector based on GaSb/GaInAsSb/GaAlAsSb heterostructure with frontal bridge contact for detecting ultrashort pulses at wavelengths of 1.55 and 1.9 um

Autor: Vladimir A. Lazarev, Mikhail K. Tarabrin, Vasilii Voropaev, Dmitrii Vlasov, Yury P. Yakovlev, Gleb G. Konovalov, Valerii Karasik, Daniil Batov, Alexander Donodin, I. A. Andreev

Publikováno v: XIV International Conference on Pulsed Lasers and Laser Applications.

We study the operating speed of high-speed photodetector based on GaSb/GaInAsSb/GaAlAsSb heterostructure with frontal bridge contact depending on the wavelength, radiation power, and bias voltage. The ultra-fast fiber lasers and high-speed oscillosco

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55bd98f9b95d40166ea513a7e92bb184
https://doi.org/10.1117/12.2554899