Dr. Vasilii Ustimchik Profile

Dr. Vasilii Ustimchik

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Publications (8)

Proceedings Article | 8 March 2023 Presentation + Paper

Radially polarized picosecond MOPA system based on double-clad ytterbium-doped spun tapered fiber with ring-shaped active core

Iuliia Zalesskaia, Evgenii Motorin, Vasilii Ustimchik, Florian Lindner, Volker Reichel, Katrin Wondraczek, Yuhao Lei, Peter Kazansky, Regina Gumenyuk, Valery Filippov

Proceedings Volume 12400, 124001C (2023) https://doi.org/10.1117/12.2650118

KEYWORDS: Polarization, Distortion, Structured optical fibers, Birefringence, Polarized light, Fiber lasers, Tapered optical fibers

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Proceedings Article | 4 March 2022 Presentation + Paper

High average power (500W/50ps) and high peak power (3.2 MW/50ps) picosecond pulsed MOPA system with tapered double-clad ytterbium fiber

V. Ustimchik, Yu. Chamorovskii, Valery Filippov

Proceedings Volume 11981, 119810T (2022) https://doi.org/10.1117/12.2610217

KEYWORDS: Picosecond phenomena, Optical amplifiers, Fiber lasers, Ytterbium, Polarization, Fiber amplifiers, Diodes, Raman scattering, High power fiber amplifiers, Polarization maintaining fibers, Single mode fibers

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Proceedings Article | 5 March 2021 Presentation + Paper

Large mode area double-clad ytterbium-doped tapered fiber with low birefringence

Andrei Fedotov, Vasilii Ustimchik, Joona Rissanen, Teppo Noronen, Regina Gumenyuk, Yuri Chamorovskii, Alexander Kolosovskii, Victor Voloshin, Igor Vorob'ev, Valery Filippov

Proceedings Volume 11665, 116651T (2021) https://doi.org/10.1117/12.2577834

KEYWORDS: Birefringence, Polarization, Temperature metrology, Picosecond phenomena, Oscillators, Optical amplifiers, Mode locking, Materials processing, Frequency conversion, Fiber amplifiers

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Proceedings Article | 21 February 2020 Presentation + Paper

Green picosecond narrow-linewidth tapered fiber laser system

V. Ustimchik, A. Fedotov, J. Rissanen, T. Noronen, R. Gumenyuk, Yu. Chamorovskii, V. Filippov

Proceedings Volume 11260, 112601Y (2020) https://doi.org/10.1117/12.2546003

KEYWORDS: Picosecond phenomena, Laser systems engineering, Fiber lasers, Raman spectroscopy, Raman scattering, Infrared radiation, Optical amplifiers, Pulsed laser operation, Laser applications, Tapered optical fibers

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Proceedings Article | 23 April 2017 Paper

Polarization stable plasmonic sensor based on tilted fiber Bragg grating

Kirill Tomyshev, Yuriy Chamorovskiy, Vasily Ustimchik, Oleg Butov

Proceedings Volume 10323, 103235K (2017) https://doi.org/10.1117/12.2267575

KEYWORDS: Plasmons, Plasmonic sensors, Metals, Radio propagation, Sensors, Fiber optics sensors, Polarization, Fiber Bragg gratings, Polarization maintaining fibers, Optical fibers

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Proceedings Article | 30 December 2016 Paper

Fast polarization QKD scheme based on LiNbO3 phase modulators

A. Duplinskiy, V. Ustimchik, A. Kanapin, Y. Kurochkin

Proceedings Volume 10224, 102242W (2016) https://doi.org/10.1117/12.2266517

KEYWORDS: Polarization, Modulators, Quantum key distribution, Computer programming, Sensors, Lithium niobate, Phase shifts, Electro optics, Laser sources, Beam splitters

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Proceedings Article | 22 March 2013 Paper

Fundamental mode evolution in long, large-core (>100 μm) adiabatic tapers

Juho Kerttula, Valery Filippov, Yuri Chamorovskii, Vasily Ustimchik, Oleg Okhotnikov

Proceedings Volume 8601, 860121 (2013) https://doi.org/10.1117/12.2001249

KEYWORDS: Optical fibers, Cladding, Near field, Multimode fibers, Refractive index, Single mode fibers, Polarization, Polarizers, Beam propagation method, Beam shaping

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Proceedings Article | 16 February 2012 Paper

A comparative study of tapered fiber laser configurations

J. Kerttula, V. Filippov, Yu. Chamorovskii, V. Ustimchik, K. Golant, O. Okhotnikov

Proceedings Volume 8237, 82370W (2012) https://doi.org/10.1117/12.908147

KEYWORDS: Fiber lasers, Absorption, Cladding, Mirrors, Spatial filters, Fourier transforms, Picosecond phenomena, Ions, Single mode fibers, Laser damage threshold

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Showing 5 of 8 publications

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