Dr. Vladimir V. Demidov Profile

Dr. Vladimir V. Demidov

Deputy Chief at SI Vavilov State Optical Institute

SPIE Involvement:

Author

Area of Expertise:

Optical fiber technology , Microstructured fibers , Photonic crystal fibers , Optical fiber modeling

Publications (21)

Proceedings Article | 6 September 2024 Paper

Paper

Results of mode analysis, performed for fabricated silica microstructured optical fiber with equiangular spiral six-ray geometry

Aleksandr Evtushenko, Anton Bourdine, Michael Dashkov, Grigori Pchelkin, Elena Zaitseva, Alexey Yu. Barashkin, Vladimir Demidov, Egishe Ter-Nersesyants, Ankur Saharia, Manish Tiwari, Ghanshyam Singh, Konstantin Dukelskii

Proceedings Volume 13168, 131680E (2024) https://doi.org/10.1117/12.3026217

KEYWORDS: Micro optical fluidics, Silica, Refractive index, Structured optical fibers, Chemical elements, Capillaries, Optical fibers, Manufacturing, Statistical modeling, Cameras

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Proceedings Article | 6 September 2024 Paper

Paper

Results of laser beam profile measurements after propagation over untwisted and twisted silica hollow-GeO2-doped-ring core microstructured optical fibers, combined with large core multimode optical fiber

Anton Bourdine, Alexander Evtushenko, Grigori Pchelkin, Michael Dashkov, Egishe Ter-Nersesyants, Elena Zaitseva, Azat Gizatulin, Alexander Yu. Igumenov, Oleg Kolesnikov, Mukhammadzoir Khadjaev, Ivan Meshkov, Tatiana Nikulina, Kirill Osadchii, Ankur Saharia, Ghanshyam Singh, Daniil Sutorin, Manish Tiwari, Stanislav Pashin, Vladimir Demidov, Konstantin Dukelskii

Proceedings Volume 13168, 1316813 (2024) https://doi.org/10.1117/12.3026513

KEYWORDS: Micro optical fluidics, Optical testing, Optical fibers, Single mode fibers, Silica, Red lasers, Laser beam propagation, Structured optical fibers, Speckle pattern, Telecommunications

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Proceedings Article | 6 September 2024 Paper

Paper

Experimental researches and testing of silica twisted six-GeO2-doped core microstructured optical fiber. Part III: results of far-field white light beam profile measurements

Anton Bourdine, Michael Dashkov, Alexander Evtushenko, Grigori Pchelkin, Denis Praporshchikov, Elena Zaitseva, Andrei Borodinov, Maria Bylina, Vladimir Demidov, Sergey Glagolev, Alexander Yu. Igumenov, Mukhammadzoir Khadjaev, Kirill Osadchii, Stanislav Pashin, Elena Polyakova, Andrey Semenov, Nadezhda Shishova, Daniil Sutorin, Egishe Ter-Nersesyants, Konstantin Dukelskii

Proceedings Volume 13168, 1316811 (2024) https://doi.org/10.1117/12.3026487

KEYWORDS: Micro optical fluidics, Optical testing, Silica, Structured optical fibers, Telecommunications, Optical fibers, Beam diameter, Single mode fibers, Refractive index, Glasses

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Proceedings Article | 6 September 2024 Paper

Paper

Experimental researches and testing of silica twisted six-GeO2-doped core microstructured optical fiber. Part IV: Results of spectral response measurements under direct tension

Alexander Yu. Igumenov, Anton Bourdine, Kirill Osadchii, Daniil Sutorin, Sergey Gavryushin, Grigori Pchelkin, Elena Zaitseva, Konstantin Sachuk, Michael Dashkov, Vladimir Demidov, Egishe Ter-Nersesyants, Konstantin Dukelskii

Proceedings Volume 13168, 131680L (2024) https://doi.org/10.1117/12.3026520

KEYWORDS: Micro optical fluidics, Optical fibers, Spectral response, Silica, Structured optical fibers, Fiber optics, Telecommunications, Fiber optics tests, Refractive index, Optical testing

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Proceedings Article | 4 October 2023 Paper

Paper

Experimental researches and testing of silica twisted six-GeO2-doped core microstructured optical fiber. Part II: research of fiber Bragg grating responses

Anton Bourdine, Michael Dashkov, Alexander Evtushenko, Grigory Pchelkin, Artem Kuznetsov, Alexander Vasilets, Alexey Yu. Barashkin, Elena Zaitseva, Konstantin Lipatnikov, Nikita Smirnov, Vladimir Demidov, Egishe Ter-Nersesyants, Azat Gizatulin, Ivan Meshkov, Amogh Dyavangoudar, Ankur Saharia, Manish Tiwari, Airat Zh. Sakhabutdinov, Ilnur Nureev, Oleg Morozov, Konstantin Dukelskii

Proceedings Volume 12743, 127430T (2023) https://doi.org/10.1117/12.3012260

KEYWORDS: Micro optical fluidics, Fiber Bragg gratings, Single mode fibers, Reflection, Spectral response, Structured optical fibers, Silica, Optical fibers, Fiber optics, Telecommunications

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Proceedings Article | 4 October 2023 Paper

Paper

Experimental researches and testing of silica twisted six-GeO2-doped core microstructured optical fiber. Part I: fusion splicing with telecommunication optical fibers and differential mode delay map measurements

Anton Bourdine, Michael Dashkov, Alexander Evtushenko, Grigory Pchelkin, Konstantin Sachuk, Mukhammadzoir Khadjaev, Alexander Vasilets, Elena Zaitseva, Alexey Yu. Barashkin, Vladimir Demidov, Egishe Ter-Nersesyants, Eugeniy Dmitriev, Nadezhda Shishova, Andrey Semenov, Manish Tiwari, Maria Bylina, Sergey Glagolev, Elena Polyakova, Konstantin Dukelskii

Proceedings Volume 12743, 127430Q (2023) https://doi.org/10.1117/12.3012145

KEYWORDS: Micro optical fluidics, Fusion splicing, Digital micromirror devices, Silica, Optical fibers, Telecommunications, Refractive index, Fiber optics, Laser optics, Image fusion

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Proceedings Article | 4 October 2023 Paper

Paper

Technological issues of twisted microstructured optical fiber fabrication

Anton Bourdine, Vladimir Demidov, Egishe Ter-Nersesyants, Alexander Khokhlov, Alexandra Matrosova, Grigori Pchelkin, Dmitriy Shurupov, Sergei Bureev, Andrey Kashin, Denis Praporshchikov, Elena Zaitseva, Kirill Volkov, Konstantin Dukelskii, Manish Tiwari

Proceedings Volume 12743, 127430A (2023) https://doi.org/10.1117/12.2679195

KEYWORDS: Micro optical fluidics, Optical fibers, Structured optical fibers, Fabrication, Design and modelling, Prototyping, Capillaries, Quartz, Telecommunications

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Proceedings Article | 4 October 2023 Paper

Paper

Silica microstructured optical fiber with centralized inclusion of seven GeO2-doped capillaries and induced twisting. Part I: fabrication of pilot samples

Anton Bourdine, Vladimir Demidov, Egishe Ter-Nersesyants, Grigori Pchelkin, Dmitry Shurupov, Alexander Khokhlov, Andrey Kashin, Sergei Bureev, Konstantin Sachuk, Elena Zaitseva, Konstantin Dukelskii, Manish Tiwari

Proceedings Volume 12743, 127430R (2023) https://doi.org/10.1117/12.3012147

KEYWORDS: Micro optical fluidics, Silica, Capillaries, Optical fibers, Quartz, Fabrication, Telecommunications, Optical transmission, Structured optical fibers, Oxygen

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SPIE Journal Paper | 13 March 2023

YAG:Ln³⁺ (Ln = Nd, Yb, Ce) nanocrystals for application in luminescent fiber-based temperature sensors

Amir Moussaoui, Dmitry Bulyga, Sergey Evstropiev, Grigory Pchelkin, Dmitry Shurupov, Vladimir Demidov, Aleksandra Matrosova, Nikolay Nikonorov, Konstantin Dukelskii

OE, Vol. 62, Issue 03, 037105, (March 2023) https://doi.org/10.1117/12.10.1117/1.OE.62.3.037105

KEYWORDS: Nanocrystals, Ytterbium, Luminescence, Neodymium, Cerium, YAG lasers, Temperature metrology, Sensors, Silica, Temperature sensors

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Proceedings Article | 25 July 2022 Paper

Paper

Results of bandwidth measurements, performed for new silica laser-optimized multimode optical fiber with extremely enlarged core diameter

Anton Bourdine, Vladimir Demidov, Timur Bazarov, Dimitriy Starykh, Alexander Evtushenko, Alexey Yu. Barashkin, Artem Kuznetsov, Michael Dashkov, Egishe Ter-Nersesyants, Vladimir Burdin, Konstantin Dukelskii, Oleg Nanii, Oleg Morozov, Airat Zh. Sakhabutdinov, Elena Zaitseva, Alexander Zhukov, Azat Gizatulin, Ivan Meshkov, Ghanshyam Singh, Manish Tiwari

Proceedings Volume 12295, 1229519 (2022) https://doi.org/10.1117/12.2640637

KEYWORDS: Optical fibers, Digital micromirror devices, Single mode fibers, Refractive index, Data transmission, Telecommunications, Silica, Picosecond phenomena, Multimode fibers, Modulation

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Proceedings Article | 25 July 2022 Paper

Paper

Pulse and spectral responses of laser-excited twisted silica few-mode optical fiber with improved height of quasi-step refractive index profile

Anton Bourdine, Michael Dashkov, Artem Kuznetsov, Vladimir Demidov, Alexander Evtushenko, Alexey Yu. Barashkin, Egishe Ter-Nersesyants, Alexander Vasilets, Oleg Morozov, Vladimir Burdin, Konstantin Dukelskii, Airat Zh. Sakhabutdinov, Elena Zaitseva, Azat Gizatulin, Ivan Meshkov, Eugeniy Dmitriev, Yaseera Ismail, Francesco Petruccione, Ghanshyam Singh, Manish Tiwari, Juan Yin

Proceedings Volume 12295, 1229509 (2022) https://doi.org/10.1117/12.2637910

KEYWORDS: Fiber Bragg gratings, Optical fibers, Digital micromirror devices, Refractive index, Laser optics, Single mode fibers, Pulsed laser operation, Fiber lasers, Telecommunications, Silica

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Proceedings Article | 18 April 2021 Presentation + Paper

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 | 22 May 2020 Paper

Paper

Design of vortex optical fibers for RoF systems: Part II: pilot samples of chiral microstructured optical fibers

Anton Bourdine, Vladimir Burdin, Vadimir Demidov, Konstantin Dukelskii, Azat Gizatulin, Alexander Khokhlov, Ivan Meshkov, Albert Kh. Sultanov, Egishe Ter-Nersesyants, Sergei Ustinov, Elena Zaitseva

Proceedings Volume 11516, 115161T (2020) https://doi.org/10.1117/12.2566460

KEYWORDS: Structured optical fibers, Optical fibers, Optical design, Numerical analysis, Optical testing, Telecommunications, Radio over Fiber, Optics manufacturing, Refractive index, Fiber optic communications

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Proceedings Article | 22 May 2020 Paper

Paper

Design of vortex optical fibers for RoF systems: Part I: overview and alternative solutions

Azat Gizatulin, Ivan Meshkov, Elizaveta Grakhova, Arsen Ishmiyarov, Ilya Kuk, Albert Kh. Sultanov, Valeriy Kh. Bagmanov, Guzel Abdrakhmanova, Irina Vinogradova, Anton Bourdine, Vladimir Demidov, Egishe Ter-Nersesyants, Vladimir Burdin

Proceedings Volume 11516, 115161S (2020) https://doi.org/10.1117/12.2566512

KEYWORDS: Optical fibers, Structured optical fibers, Optical design, Radio over Fiber, Telecommunications, Capillaries, Spiral phase plates, Optical vortices, Refractive index, Fiber optics

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Proceedings Article | 1 April 2020 Presentation + Paper

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 | 6 June 2018 Paper

Paper

Results of differential mode delay map measurements performed for multimode optical fibers with strong and weak diameter variation

Vladimir Andreev, Anton Bourdine, Vladimir Burdin, Michael Dashkov, Vladimir Demidov, Alexander Karmolin, Alina Yu. Minaeva, Denis Praporshchikov, Egishe Ter-Nersesyants, Konstantin Yablochkin

Proceedings Volume 10774, 107741O (2018) https://doi.org/10.1117/12.2318862

KEYWORDS: Optical fibers, Digital micromirror devices, Laser optics, Refractive index, Multimode fibers, Analytical research, Signal attenuation, Picosecond phenomena, Manufacturing, Statistical analysis

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Proceedings Article | 23 May 2018 Presentation

Presentation

Hollow-core antiresonant fibers optimized for operation in the spectral range 0.6-2.5 µm (Conference Presentation)

Vladimir Demidov, Alexander Khokhlov, Stanislav Leonov, Vladislav Tigaev, Elizaveta Yelistratova, Peter Agruzov, Alexander Komarov, Vladislav Ananyev, Egishe Ter-Nersesyants, Peter Zlobin, Nikolay Nikonorov

Proceedings Volume 10681, 1068104 (2018) https://doi.org/10.1117/12.2314884

Read Abstract +

Hollow-core fibers (HCFs) which guide light by an antiresonant reflection from arrays of silica walls have been attracting much interest due to their extraordinary optical properties and potential interdisciplinary applications including highly efficient laser-matter interaction, ultra-short pulse delivery, pulse compression and low-loss mid-infrared transmission. There are several types of HCFs having either a photonic crystal cladding, Kagome lattice or a single cycle of capillaries surrounding the core. In the latter case the antiresonant guidance properties depend strongly on the core size and the shape of the core/cladding boundary. In this work, we focus on the capabilities of two HCF designs (negative curvature of the core/cladding boundary and nodeless capillary structure) to obtain a nearly single-mode guidance from the visible to the mid-infrared spectral regions. The first HCF (Sample A) was drawn from the stack comprising a cycle of eight touching capillaries having the wall thickness 1.5 µm which provided a negative curvature of the core/cladding boundary. The fiber was intentionally manufactured with the trapezoidal shape of the capillaries in order to minimize the interaction between the surface modes, trapped amidst the touching trapezoids, and the fundamental mode in a hollow core. The negative curvature of the boundary resulting in the octagonal shape of the core was achieved by putting an excess gas pressure inside the capillaries during the drawing process. The second HCF (Sample B) was produced from the stack comprising a cycle of six non-touching capillaries having the wall thickness 2.5 µm with a view to restrict the abovementioned interaction via breaking the surface modes coupling between the adjacent capillaries. As in the first case, the gas pressure was controlled carefully to keep all capillaries separately from each other. In both samples the core diameter was equal to 50 µm ensuring a relatively large effective mode area. Taking into account the periodic nature of HCFs transmission windows, we simulated and measured accurately transmission spectra and modal properties of the fibers. The simulations were performed using the finite element analysis. The transmission spectra were measured by passing light from the tungsten halogen lamp through the samples of 35 cm long and registering output signal applying three optical spectrometers covering the wavelength range 600-2500 nm. We observed a good agreement between the simulation and the experiment. The Sample A has transmission windows at the wavelengths 650, 750, 850-900, 950-1050, 1150-1300, 1450-1700, 2000-2300 nm and the Sample B – at the wavelengths 600, 650-700, 750-800, 850-950, 1000-1100, 1150-1350, 1450-1750, 1900-2400 nm. The mid-infrared window for the Sample B is larger and more pronounced in terms of relative transmission due to the larger wall thickness at the core/cladding boundary. Moreover, the Sample B is predicted to be practically single-mode in the considered spectral region, as the losses of the most competitive higher-order modes are estimated to be much above 1 dB/m. A similar regime for the Sample A is expected only when operating at the long-wavelength limit of the spectral region, due to the increase in the fundamental and higher-order modes refractive index difference.

Proceedings Article | 6 April 2017 Paper

Paper

Methods and technique of manufacturing silica graded-index fibers with a large central defect of the refractive index profile for fiber-optic sensors based on few-mode effects

Vladimir Demidov, Egishe Ter-Nersesyants, Anton Bourdine, Vladimir Burdin, Alina Yu. Minaeva, Alexandra Matrosova, Alexander Khokhlov, Alexander Komarov, Sergey Ustinov, Elena Golyeva, Konstantin Dukelskii

Proceedings Volume 10342, 1034218 (2017) https://doi.org/10.1117/12.2270784

KEYWORDS: Optics manufacturing, Silica, Graded index fibers, Refractive index, Fiber optics sensors, Optical fibers, Signal attenuation, Glasses, Digital micromirror devices, Multimode fibers, Cladding

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Proceedings Article | 6 April 2017 Paper

Paper

Simulation and analysis of mode staff excitation during “O”-band optical signal launching to graded multimode fiber with large central defect of refractive index profile via standard singlemode fiber

Anton Bourdine, Vladimir Burdin, Vladimir Demidov, Eugeniy Dmitriev, Konstantin Dukelskii, Alina Yu. Minaeva, Denis Praporshchikov, Egishe Ter-Nersesyants, Alexander Zhukov

Proceedings Volume 10342, 103420F (2017) https://doi.org/10.1117/12.2270756

KEYWORDS: Multimode fibers, Refractive index, Optical fibers, Single mode fibers, Waveguides, Digital micromirror devices, Light sources, Fiber optics, Analytical research, Sensors

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Proceedings Article | 2 May 2014 Paper

Paper

New possibilities of higher-order mode filtering in large-mode-area photonic crystal fibers

Vladimir Demidov, Egishe Ter-Nersesyants

Proceedings Volume 9128, 91280S (2014) https://doi.org/10.1117/12.2051731

KEYWORDS: Signal attenuation, Cladding, Optical filters, Resistance, Photonic crystal fibers, Silica, Structured optical fibers, Refractive index, Solids, Ions

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Proceedings Article | 26 April 2012 Paper

Paper

Large-core microstructured fibers with asymmetric cladding design for practical single-mode operation

Vladimir Demidov

Proceedings Volume 8426, 84261H (2012) https://doi.org/10.1117/12.922575

KEYWORDS: Micro optical fluidics, Optical fibers, Cladding, Signal attenuation, Resistance, Silica, Refractive index, Laser applications, Structured optical fibers, Raman scattering

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Showing 5 of 21 publications

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