Výsledky vyhledávání - "G. M. Katyba"

Super-resolution THz endoscope based on a hollow-core sapphire waveguide and a solid immersion lens

Autor: A. S. Kucheryavenko, V. A. Zhelnov, D. G. Melikyants, N. V. Chernomyrdin, S. P. Lebedev, V. V. Bukin, S. V. Garnov, V. N. Kurlov, K. I. Zaytsev, G. M. Katyba

Publikováno v: Optics Express. 31:13366

To address a challenging problem of super-resolution terahertz (THz) endoscopy, in this paper, an antiresonant hollow-core waveguide was coupled with a sapphire solid immersion lens (SIL), aimed at subwavelength confinement of guided mode. The wavegu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d63fea275122975afd1e1031478838a
https://doi.org/10.1364/oe.484650

Zobrazit plný text záznamu

Moisture adsorption by porous terahertz optical materials: a case study of artificial SiO2 opals

Autor: V. E. Ulitko, G. R. Musina, V. M. Masalov, A. A. Gavdush, G. A. Emelchenko, V. V. Bukin, V. N. Kurlov, M. Skorobogatiy, G. M. Katyba, K. I. Zaytsev

Publikováno v: Optical Materials Express. 13:1163

Artificial opals fabricated by sedimentation and self-assembly of colloidal SiO2 nanoparticles and annealed at different temperatures were recently considered favorable terahertz (THz) optical materials with manageable optical properties. However, in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5a0b075830c699c772afe2af31522e8a
https://doi.org/10.1364/ome.485646

Zobrazit plný text záznamu

THz generation by two-color laser air plasma coupled to antiresonance hollow-core sapphire waveguides: THz-wave delivery and angular distribution management

Autor: G. M. Katyba, P. A. Chizhov, V. N. Kurlov, I. N. Dolganova, S. V. Garnov, K. I. Zaytsev, V. V. Bukin

Publikováno v: Optics express. 30(3)

In this paper, hollow-core antiresonance sapphire waveguides were applied to guide the THz radiation emitted by the two-color laser air plasma, as well as to manage the THz source angular distribution. For this aim, three distinct waveguides were dev

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::faefbd7b7d4cdaf2b432b093e2ed53c1
https://pubmed.ncbi.nlm.nih.gov/35209663

Zobrazit plný text záznamu

Continuously tunable middle-IR bandpass filters based on gradient metal-hole arrays for multispectral sensing and thermography

Autor: N. V. Chernomyrdin, D. V. Lavrukhin, V. E. Ulitko, R. R. Galiev, A. A. Gavdush, V. B. Anzin, A. N. Perov, G. M. Katyba, V. V. Tuchin, M. Skorobogatiy, I. V. Reshetov, D. S. Ponomarev, K. I. Zaytsev

Publikováno v: Journal of applied physics. 2022. Vol. 131, № 12. P. 123103-1-123103-9

Continuously tunable middle-infrared bandpass filters have been developed based on gradient metal-hole arrays with two distinct geometries. The rotation filter relies on an array of metal holes with gradually changing periods and hole sizes in the az

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36008a7cd5c9b5f1171d2b8bd9d851f4
https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000927406

Zobrazit plný text záznamu

Opal-based terahertz optical elements fabricated by self-assembly of porous SiO

Autor: V E, Ulitko, G M, Katyba, V A, Zhelnov, I M, Shmytko, G A, Emelchenko, I E, Spector, V M, Masalov, V N, Kurlov, K I, Zaytsev, M, Skorobogatiy

Publikováno v: Optics express. 29(9)

In this paper, we study artificial opals as a promising material platform for terahertz (THz) optics. Materials were synthesized using self-assembly of porous SiO

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e69a0fab9f29c4dd8b9cf3113888672c
https://pubmed.ncbi.nlm.nih.gov/33985105

Zobrazit plný text záznamu

Boosting photoconductive large-area THz emitter via optical light confinement behind a highly refractive sapphire-fiber lens

Autor: D. S. Ponomarev, D. V. Lavrukhin, N. V. Zenchenko, T. V. Frolov, I. A. Glinskiy, R. A. Khabibullin, G. M. Katyba, V. N. Kurlov, T. Otsuji, K. I. Zaytsev

Publikováno v: Optics Letters. 47:1899

We report on a sapphire-fiber-based lens that can be used to enhance the emitted THz power of a large-area photoconductive antenna (PCA). Using numerical simulations, we demonstrate that the lens provides a spatial redistribution of the photocarriers

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0faf37c8bb52c06bfc4f08475679094
https://doi.org/10.1364/ol.452192

Zobrazit plný text záznamu

Terahertz dielectric spectroscopy of human brain gliomas and intact tissues

Autor: A A, Gavdush, N V, Chernomyrdin, G A, Komandin, I N, Dolganova, P V, Nikitin, G R, Musina, G M, Katyba, A S, Kucheryavenko, I V, Reshetov, A A, Potapov, V V, Tuchin, K I, Zaytsev

Publikováno v: Biomed Opt Express

Terahertz (THz) technology offers novel opportunities in the intraoperative neurodiagnosis. Recently, the significant progress was achieved in the study of brain gliomas and intact tissues, highlighting a potential for THz technology in the intraoper

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e5886d5b98c91cde0cf7910d79275f97
https://pubmed.ncbi.nlm.nih.gov/33659071

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání