Zobrazeno 1 - 10 of 39 pro vyhledávání: '"Viktor Tsvirkun"'
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Akademický článek
External Control of Dissipative Coupling in a Heterogeneously Integrated Photonic Crystal—SOI Waveguide Optomechanical System
Autor: Viktor Tsvirkun, Alessandro Surrente, Fabrice Raineri, Grégoire Beaudoin, Rama Raj, Isabelle Sagnes, Isabelle Robert-Philip, Rémy Braive
Publikováno v: Photonics, Vol 3, Iss 4, p 52 (2016)
Cavity optomechanical systems with an enhanced coupling between mechanical motion and electromagnetic radiation have permitted the investigation of many novel physical effects. The optomechanical coupling in the majority of these systems is of disper
Externí odkaz: https://doaj.org/article/9624923abb6745c8846d69e34ad1a252
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2
Chronic intestinal pseudoobstruction: difficulties in diagnosis and treatment. Case report
Autor: Viktor Tsvirkun, Igor Khatkov, A I Parfenov, Daniil A. Degterev, S V Bykova, Elena V. Novikova, Kirill Shishin, Zoia P. Lashchenkova, L M Krums, O V Akhmadullina, Sergei G. Khomeriki, Valerii V. Subbotin, Tatiana N. Kuzmina
Publikováno v: Терапевтический архив, Vol 93, Iss 8, Pp 936-942 (2021)
The article presents a clinical case of a 23-year-old patient with an extremely severe congenital form of chronic intestinal pseudoobstruction coupled with a neuromyopathy,colon malrotation, malabsorption, bacterial overgrowth syndrome, cholelithiasi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc43cc2487e985aaa0435d0e73853437
https://doi.org/10.26442/3660.2021.08.200976
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4
Flexible lensless endoscope with a conformationally invariant multi-core fiber (Conference Presentation)
Autor: Hervé Rigneault, Viktor Tsvirkun, Siddharth Sivankutty, Esben Ravn Andresen, Géraud Bouwmans, Olivier Vanvincq
Publikováno v: Adaptive Optics and Wavefront Control for Biological Systems VI.
The lensless endoscope represents the ultimate limit in miniaturization of imaging tools: an image can be transmitted through a (multi-mode or multi-core) fiber by numerical or physical inversion of the fiber's pre- measured transmission matrix. Howe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3b09b034c649b9add8acb115532d320
https://doi.org/10.1117/12.2545004
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5
High-resolution multimodal flexible coherent Raman endoscope (Conference Presentation)
Autor: Viktor Tsvirkun, Hervé Rigneault, Frédéric Louradour, Alexandre Kudlinski, Marc Fabert, Vasyl Mytskaniuk
Publikováno v: Label-free Biomedical Imaging and Sensing (LBIS) 2020.
We present a flexible, compact, and multimodal nonlinear endoscope (2.2 mm outer diameter) based on a resonantly scanned negative curvature hollow-core double-clad fiber. The fiber design allows distortion-less, background-free delivery of femtosecon
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::395639d93bf6fed5bb50e9b1597fe6f2
https://doi.org/10.1117/12.2545038
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8
Double clad tubular anti-resonant hollow core fiber for nonlinear microendoscopy
Autor: Vasyl Mytskaniuk, D. Septier, Géraud Bouwmans, Alexandre Kudlinski, Viktor Tsvirkun, Olivier Vanvincq, Andy Cassez, Karen Baudelle, Rémi Habert, Hervé Rigneault, A. Pastre, Marc Douay
Publikováno v: Optics Express
Optics Express, Optical Society of America-OSA Publishing, 2020, 28 (10), pp.15062-15070. ⟨10.1364/OE.389084⟩
Optics Express, 2020, 28 (10), pp.15062-15070. ⟨10.1364/OE.389084⟩
International audience; We report the fabrication and characterization of the first double clad tubular anti-resonant hollow core fiber. It allows to deliver ultrashort pulses without temporal nor spectral distortions in the 700-1000 nm wavelength ra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b08e12390e34254245ff54628ad53304
https://hal.archives-ouvertes.fr/hal-02562695
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9
2Photon Flexible Lensless Endoscope
Autor: Géraud Bouwmans, Hervé Rigneault, Olivier Vanvincq, Viktor Tsvirkun, Esben Ravn Andresen, Siddharth Sivankutty
Publikováno v: Scopus-Elsevier
Recently, there has been a surge in reports of so-called ‘lensless endoscopes’, a term which denotes the active control of the fiber injected wavefront from the proximal side only to enable imaging without any distal optics, thus allowing the min
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a8d93e4252e8c1f773528778c1593c8
https://doi.org/10.1109/cleoe-eqec.2019.8872347
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10
Non-interferometric calibration of the phase transmission matrix in lensless endoscopy (Conference Presentation)
Autor: Hervé Rigneault, Siddharth Sivankutty, Esben Ravn Andresen, Dan Oron, Miguel A. Alonso, Marc Guillon, Viktor Tsvirkun, Dani Kogan, Géraud Bouwmans
Publikováno v: Adaptive Optics and Wavefront Control for Biological Systems V.
Multicore fiber bundles are attractive candidates for lensless endscopes because of their ruggedness and the relative simplicity involved in their calibration and operation. Nevertheless, the measurement of the transmission matrix of the MCF is still
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::621d9658d969076704c488043cc9928b
https://doi.org/10.1117/12.2508266
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