Mr. Vladimir A. Aseev Profile

Vladimir A. Aseev

at ITMO Univ

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Author

Publications (8)

Proceedings Article | 18 April 2021 Presentation + Paper

Hollow-core antiresonant optical fibers modified with Gd2O3:Nd3+ nanophosphors

Aleksandra Matrosova, Natalia Kuzmenko, Sergey Evstropiev, Vladimir Aseev, Grigory Pchelkin, Vladimir Demidov, Nikolay Nikonorov

Proceedings Volume 11773, 117730C (2021) https://doi.org/10.1117/12.2589205

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Proceedings Article | 10 April 2020 Paper

Neodymium and ytterbium-erbium laser based on photo-thermo-refractive glass

Vladimir Aseev, Khaldoon Nasser, Sergey Ivanov, Nikolay Nikonorov, Alexander Ignatiev

Proceedings Volume 11357, 113570I (2020) https://doi.org/10.1117/12.2555783

KEYWORDS: Glasses, Neodymium, Erbium, Ytterbium, Ions, Absorption, Spectroscopy, Erbium lasers, Oxides, Silver

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In this work spectroscopic and laser characteristic of photo-thermo-refractive (PTR) glasses doped with different concentrations of rare-earth ions (ytterbium-erbium and Neodymium) were comprehensively carried out. Spectroscopic parameters were obtained using some theoretical techniques like Judd-Ofelt theory and Fuchtbauer-Landenburg (F-L) theory. Results show that the optimal concentration of neodymium oxide in PTR is 0.5 mol%, at which the glass demonstrates the best spectral characteristics. It was found that PTR glass doped with 0.1 mol% of erbium oxide and codoped with 2 mol% of ytterbium oxide also shows good spectral-luminescent properties. Laser action on those two samples was demonstrated. optical losses were found to be 0.34 % for neodymium- doped PTR active element and 0.28 % in the case of erbium and ytterbium co-doped active element. These values are quite low and compared to that obtained in commercial laser glasses. It was concluded that the rare-earth ions doped PTR glass isIn this work spectroscopic and laser characteristic of photo-thermo-refractive (PTR) glasses doped with different concentrations of rare-earth ions (ytterbium-erbium and Neodymium) were comprehensively carried out. Spectroscopic parameters were obtained using some theoretical techniques like Judd-Ofelt theory and Fuchtbauer-Landenburg (F-L) theory. Results show that the optimal concentration of neodymium oxide in PTR is 0.5 mol%, at which the glass demonstrates the best spectral characteristics. It was found that PTR glass doped with 0.1 mol% of erbium oxide and codoped with 2 mol% of ytterbium oxide also shows good spectral-luminescent properties. Laser action on those two samples was demonstrated. optical losses were found to be 0.34 % for neodymium- doped PTR active element and 0.28 % in the case of erbium and ytterbium co-doped active element. These values are quite low and compared to that obtained in commercial laser glasses. It was concluded that the rare-earth ions doped PTR glass is a promising material that can be a good candidate for producing the DFB lasers. a promising material that can be a good candidate for producing the DFB lasers.

Proceedings Article | 1 April 2020 Open Access

Principles of developing of a scintillation detector based on SiPM for field gamma-spectrometry problems

Ilya Bokaty, Valery Korotaev, Victor Denisov, Victoria Ryzhova, Vladimir Aseev

Proceedings Volume 11367, 113671I (2020) https://doi.org/10.1117/12.2556078

KEYWORDS: Scintillation, Crystals, Photons, Sensors, Scintillators, Gamma radiation, Photodetectors, Detector development, Ionizing radiation

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Proceedings Article | 1 April 2020 Presentation + Paper

Silica microstructure-based optical fiber activated by YAG:Nd3+ nanocrystals

Aleksandra Matrosova, Sergei Evstropiev, Vladimir Demidov, Nikolai Nikonorov, Vladimir Aseev, Natalia Kuzmenko, Konstantin Dukelskii, Aleksandr Komarov, Ksenia Oreshkina

Proceedings Volume 11355, 1135508 (2020) https://doi.org/10.1117/12.2555921

KEYWORDS: Silica, Nanocrystals, Glasses, Crystals, Optical fibers, Neodymium, Signal attenuation, Ions, Luminescence, Polymers

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Proceedings Article | 1 April 2020 Presentation + Paper

Luminescent properties of chromium-doped borate glass-ceramics for red radiation sources

Anastasiia Babkina, Damir Valiev, Ksenia Zyryanova, Anastasiia Osipova, Vladimir Aseev, Ekaterina Kulpina, Rustam Nuryev

Proceedings Volume 11357, 113570A (2020) https://doi.org/10.1117/12.2555370

KEYWORDS: Chromium, Glasses, Luminescence, Absorption, Heat treatments, Quantum efficiency, Oxides, X-ray diffraction

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Proceedings Article | 28 February 2014 Paper

Resonator free Er-Yb laser based on photo-thermo-refractive (PTR) glass

S. Ivanov, V. Aseev

Proceedings Volume 8959, 89591E (2014) https://doi.org/10.1117/12.2037660

KEYWORDS: Glasses, Erbium, Holograms, Ytterbium, Absorption, Ions, Crystals, Luminescence, Quantum efficiency, Resonators

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Proceedings Article | 25 November 2009 Paper

Laser lead-fluoride nano-glassceramics for photonic applications

Vladimir Aseev, Elena Kolobkova, Anastasia Klement'eva, Ksenia Moskaleva, Nikolay Nikonorov

Proceedings Volume 7509, 750918 (2009) https://doi.org/10.1117/12.838601

KEYWORDS: Crystals, Glasses, Ions, Heat treatments, Erbium, Luminescence, Absorption, Lead, Light scattering, Nanocrystals

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Proceedings Article | 17 June 2003 Paper

Measurement of gain/loss spectra in high ytterbium-erbium doped glasses

Nikolai Nikonorov, Alexander Chukharev, Vladimir Aseev, Alexey Rokhmin, Alexander Przhevuskii

Proceedings Volume 4990, (2003) https://doi.org/10.1117/12.473579

KEYWORDS: Glasses, Absorption, Luminescence, Silicate glass, Optical amplifiers, Erbium, Silicates, Fiber amplifiers, Laser glasses, Chlorine

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