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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

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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

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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

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Terahertz solid immersion microscopy: Recent achievements and challenges

Autor: N. V. Chernomyrdin, M. Skorobogatiy, D. S. Ponomarev, V. V. Bukin, V. V. Tuchin, K. I. Zaytsev

Publikováno v: Applied Physics Letters. 120:110501

Unique effects of terahertz (THz)-wave–matter interaction push rapid progress in THz optoelectronics aimed at bridging the problematic THz gap. However, majority of modern methods of THz spectroscopy and imaging are still hampered by low spatial re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9daf0e4748ed39e3744bf18dbf9f846d
https://doi.org/10.1063/5.0085906

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Ultrafast Space-time and Spectrum-time Resolved Diagnostics of Multicharged Femtosecond Laser Microplasma

Autor: S. V. Garnov, V. V. Bukin, A. A. Malyutin, V. V. Strelkov, Paul R. Bolton, Hiroyuki Daido, Sergei V. Bulanov

Publikováno v: AIP Conference Proceedings.

We present the review of the recent experimental studies of fundamental mechanisms of femtosecond laser plasma formation and evolution performed in A. M. Prokhorov General Physics Institute of Russian Academy of Sciences. The main object we dealt wit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::acc0a7e5e5b932a1e7ac5ed4904c8546
https://doi.org/10.1063/1.3204548

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