Dr. Alexandr V. Dostovalov Profile

Dr. Alexandr V. Dostovalov

Research fellow at Institute of Automation and Electrometry of the SB RAS

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Author

Publications (21)

Proceedings Article | 8 November 2024 Paper

Ring-shaped random structures inscription in multimode fibers assisted by a spatial light modulator

Zhibzema Munkueva, Alexandr Dostovalov, Alexey Kuznetsov, Alexey Kokhanovskiy, Alexandr Revyakin, Denis Kharenko, Sergey Babin

Proceedings Volume 13234, 132340C (2024) https://doi.org/10.1117/12.3036259

KEYWORDS: Structured optical fibers, Spatial light modulators, Multimode fibers, Backscatter, Reflection, Fiber lasers, Raman spectroscopy, Femtosecond phenomena, Laser scattering, GRIN lenses

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Proceedings Article | 20 June 2024 Poster + Paper

Raman lasing in multimode graded-index fiber with mode-selective dielectric mirror on its end face

Alexey Kuznetsov, Vadim Terentyev, Victor Simonov, Hiba Rizk, Ilya Nemov, Kirill Bronnikov, Semen Gladkikh, Alexandr Dostovalov, Sergey Babin

Proceedings Volume 13001, 130010N (2024) https://doi.org/10.1117/12.3017782

KEYWORDS: Mirrors, Dielectric mirrors, Fiber Bragg gratings, Raman spectroscopy, Reflection, Fiber lasers, Multimode fibers, GRIN lenses, Laser radiation, Graded index fibers

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Proceedings Article | 12 March 2024 Poster + Paper

Spatio-spectral effects in coupled multicore all-fiber lasers with FBG arrays

Alexey Kuznetsov, Alexey Wolf, Zhibzema Munkueva, Alexander Dostovalov, Evgeniy Podivilov, Sergey Babin

Proceedings Volume 12865, 128651N (2024) https://doi.org/10.1117/12.3000464

KEYWORDS: Multicore fiber, Fiber Bragg gratings, Reflection, Fiber lasers, Laser frequency, Laser resonators, Fiber coupled lasers, Background noise, Semiconductor lasers, Pulsed laser operation

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Proceedings Article | 27 November 2023 Paper

Highly regular nanogratings formation on amorphous semiconductors films by femtosecond laser radiation

Alexander Dostovalov, Kirill Bronnikov, Semyon Gladkikh, Evgeny Mitsai, Alexey Zhizhchenko, Aleksandr Kuchmizhak

Proceedings Volume 12762, 127620A (2023) https://doi.org/10.1117/12.2687393

KEYWORDS: Femtosecond phenomena, Thin films, Laser radiation, Amorphous semiconductors, Semiconductors, Optical surfaces, Crystallization, Laser processing, Amorphous silicon, Vacuum

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Proceedings Article | 27 November 2023 Paper

Optimization of random FBG array in multimode graded-index fiber for Raman lasing with improved spatio-spectral characteristics

A. Kuznetsov, A. Wolf, Zh. Munkueva, A. Dostovalov, S. Babin

Proceedings Volume 12760, 127600L (2023) https://doi.org/10.1117/12.2689180

KEYWORDS: Fiber Bragg gratings, Raman spectroscopy, Multimode fibers, Graded index fibers, Reflection, GRIN lenses, Structured optical fibers, Semiconductor lasers, Random lasers, Mirrors

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Proceedings Article | 9 October 2021 Presentation + Paper

Formation of thermochemical laser-induced periodic structures on titanium films in a nitrogen-rich atmosphere

Kirill Bronnikov, Alexander Dostovalov, Konstantin Okotrub, Aleksandr Kuchmizhak, Victor Korolkov, Sergey Babin

Proceedings Volume 11892, 118920W (2021) https://doi.org/10.1117/12.2601459

KEYWORDS: Titanium, Scanning electron microscopy, Raman spectroscopy, Femtosecond phenomena, Chemical analysis, Nitrogen, Glasses, Metals, Statistical analysis, Nanostructured thin films

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Proceedings Article | 18 April 2021 Presentation + Paper

Seven-core fiber Raman laser with fs-inscribed random structures

Mikhail Skvortsov, Victor Labuntsov, Alexey Wolf, Alexandr Dostovalov, Sergey Babin

Proceedings Volume 11773, 117730H (2021) https://doi.org/10.1117/12.2592527

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Proceedings Article | 1 April 2020 Open Access

Highly dense FBG arrays for millimeter-scale thermal monitoring during nanocomposite-enhanced laser ablation

Sanzhar Korganbayev, Somayeh Asadi, Alexey Wolf, Alexander Dostovalov, Martina Zalteri, Emiliano Schena, Haim Azhari, Iris Sonia Weitz, Paola Saccomandi

Proceedings Volume 11354, 113540G (2020) https://doi.org/10.1117/12.2555436

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Laser ablation, Pancreas, Laser irradiation, Tissues, Cameras, Gold, Copper, Tumors

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Proceedings Article | 1 April 2020 Paper

Study of radiation-induced spectral changes of femtosecond laser written FBG in metal and polyimide coated fiber

A. Dostovalov, A. Wolf, V. Simonov, M. Korobeynikov, A. Bryazgin, P. Kashaykin, S. Yakushin, M. Mikhailenko, S. Babin

Proceedings Volume 11354, 113542J (2020) https://doi.org/10.1117/12.2555818

KEYWORDS: Fiber Bragg gratings, Reflectivity, Metals, Femtosecond phenomena, Coating, Fiber coatings, Aluminum, Electron beams, Silica, Fiber optics

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Proceedings Article | 1 April 2020 Paper

Multiparameter point sensing with the FBG-containing multicore optical fiber

Alexey Wolf, Kirill Bronnikov, Alexandr Dostovalov, Victor Simonov, Vadim Terentyev, Sergey Babin

Proceedings Volume 11354, 113540F (2020) https://doi.org/10.1117/12.2555325

KEYWORDS: Fiber Bragg gratings, Sensors, Acoustics, Interferometers, Optical fibers, Refractive index, Coating, Fiber optics sensors, Cladding, Femtosecond phenomena

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Proceedings Article | 19 November 2019 Paper

Selection of LP01 and LP11 modes in multimode graded-index fiber Raman laser by special FBGs

Alexey Kuznetsov, Alexey Wolf, Alexander Dostovalov, Sergey Kablukov, Sergey Babin

Proceedings Volume 11181, 1118111 (2019) https://doi.org/10.1117/12.2538637

KEYWORDS: Fiber lasers, Fiber Bragg gratings, Graded index fibers, Raman spectroscopy, Multimode fibers, Laser sources, Silica, Continuous wave operation, Femtosecond phenomena, Beam shaping

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Proceedings Article | 19 November 2019 Paper

Fast formation of hybrid periodic surface structures on Hf thin-film by focused femtosecond laser beam

A. Dostovalov, K. Bronnikov, D. Belousov, V. Korolkov, S. Babin

Proceedings Volume 11183, 111830U (2019) https://doi.org/10.1117/12.2537672

KEYWORDS: Femtosecond phenomena, Metals, Gaussian beams, Thin films, Oxides, Hafnium

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Proceedings Article | 28 August 2019 Paper

Femtosecond point-by-point inscription of 3D FBG arrays in 7-core fibers with straight and twisted cores

Alexey Wolf, Kirill Bronnikov, Sergey Yakushin, Alexandr Dostovalov, Sergey Zhuravlev, Mikhail Salganskii, Olga Egorova, Sergey Semjonov, Sergey Babin

Proceedings Volume 11199, 1119934 (2019) https://doi.org/10.1117/12.2540925

KEYWORDS: Fiber Bragg gratings, Optical fibers, Femtosecond phenomena, Sensors, Optical coatings, Fiber optics, Fiber optics sensors, Reflection, Refractive index

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Proceedings Article | 16 April 2019 Presentation + Paper

Direct core-selective inscription of Bragg grating structures in seven-core optical fibers by femtosecond laser pulses

Alexey Wolf, Alexandr Dostovalov, Kirill Bronnikov, Sergey Babin

Proceedings Volume 11029, 110290E (2019) https://doi.org/10.1117/12.2522248

KEYWORDS: Fiber Bragg gratings, Femtosecond phenomena, Optical fibers, Refractive index, Absorption, Bragg gratings, Single mode fibers, Fiber lasers, Sensors, Glasses

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Proceedings Article | 6 June 2018 Paper

Microwave photonic beamforming system with broadband chirped fiber Bragg grating

Sergey Ivanov, Alexander Lavrov , Igor Saenko, Sergey Bessoltsev, Alexander Dostovalov, Alexey Wolf

Proceedings Volume 10774, 107740W (2018) https://doi.org/10.1117/12.2318086

KEYWORDS: Fiber Bragg gratings, Microwave radiation, Antennas, Phased arrays, Microwave photonics, Dense wavelength division multiplexing, Fiber optics, Transmitters

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Proceedings Article | 17 May 2018 Paper

Transverse mode selection in diode-pumped multimode fiber Raman lasers

Ekaterina Zlobina, Sergey Kablukov, Alexey Wolf, Ilya Nemov, Alexandr Dostovalov, Sergey Babin

Proceedings Volume 10683, 1068334 (2018) https://doi.org/10.1117/12.2307309

KEYWORDS: GRIN lenses, Fiber Bragg gratings, Ultraviolet radiation, Raman spectroscopy, Fiber lasers, Multimode fibers, Semiconductor lasers, Femtosecond phenomena, Mirrors, Neodymium

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Proceedings Article | 9 May 2018 Paper

Femtosecond core-scanning inscription of tilted fiber Bragg gratings

Alexey Wolf, Mikhail Kotyushev, Alexandr Dostovalov, Sergey Babin

Proceedings Volume 10681, 1068112 (2018) https://doi.org/10.1117/12.2307132

KEYWORDS: Femtosecond phenomena, Cladding, Fiber Bragg gratings, Refractive index, Optical fibers, Structured optical fibers, Fiber lasers, Polarization

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Proceedings Article | 26 February 2018 Presentation + Paper

Diode-pumped all-fiber Raman lasers with high beam quality

Sergey Babin, Ekaterina Zlobina, Sergey Kablukov, Alexey Wolf, Ilya Nemov, Alexandr Dostovalov, V. Tyrtyshnyy, D. Myasnikov

Proceedings Volume 10512, 105121V (2018) https://doi.org/10.1117/12.2289862

KEYWORDS: GRIN lenses, Raman spectroscopy, Fiber lasers, Fiber Bragg gratings, Semiconductor lasers, Multimode fibers, Graded index fibers, Continuous wave operation, Raman scattering, Structured optical fibers

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Proceedings Article | 20 February 2017 Presentation + Paper

Femtosecond-pulse inscription of fiber Bragg gratings in multimode graded index fiber

Alexandr Dostovalov, Alexey Wolf, Ekaterina Zlobina, Sergey Kablukov, Sergey Babin

Proceedings Volume 10091, 100910L (2017) https://doi.org/10.1117/12.2251337

KEYWORDS: Fiber Bragg gratings, Femtosecond phenomena, Multimode fibers, Fiber lasers, Graded index fibers, Refractive index, Absorption, Raman spectroscopy, Cladding, Single mode fibers, Infrared lasers

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Proceedings Article | 17 February 2017 Presentation + Paper

Study of TLIPSS formation on different metals and alloys and their selective etching

Alexandr Dostovalov, Victor Korolkov, Vadim Terentiev, Konstantin Okotrub, Fedor Dultsev, Anton Nemykin, Sergey Babin

Proceedings Volume 10092, 100921H (2017) https://doi.org/10.1117/12.2251341

KEYWORDS: Metals, Etching, Thin films, Laser ablation, Chromium, Nickel, Femtosecond phenomena, Micromachining, Laser development, Titanium, Oxides, Laser processing, Reactive ion etching, Wet etching

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Proceedings Article | 11 February 2011 Paper

Comparative numerical study of efficiency of energy deposition in femtosecond microfabrication with fundamental and second harmonics of Yb-doped fiber laser

Alexandr Dostovalov, Sergey Babin, Mandana Baregheh, Mykhaylo Dubov, Vladimir Mezentsev

Proceedings Volume 7914, 791432 (2011) https://doi.org/10.1117/12.877631

KEYWORDS: Plasma, Femtosecond phenomena, Absorption, Fiber lasers, Microfabrication, Dispersion, Ionization, Refractive index, Energy efficiency, Numerical modeling

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Showing 5 of 21 publications

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