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Telecommunications and Radio Engineering

Publicou 12 edições por ano

ISSN Imprimir: 0040-2508

ISSN On-line: 1943-6009

SJR: 0.185 SNIP: 0.268 CiteScore™:: 1.5 H-Index: 22

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PROPAGATION AND FOCUSING OF MODES OF DIELECTRIC RESONATORS OF TERAHERTZ RANGE LASERS

Volume 74, Edição 7, 2015, pp. 629-640
DOI: 10.1615/TelecomRadEng.v74.i7.60
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RESUMO

Cylindrical vectorial beams have a great number of applications, including electron acceleration, material processing, high-resolution metrology, microellipsometry and spectroscopy. Nevertheless, there are practically no results of investigating specific features of their propagation and focusing in the terahertz frequency range. In the paper the physical features of free-space propagation and effects of moderate and sharp focusing of laser radiation beams are investigated both theoretically (based on the Rayleigh-Sommerfeld vector theory) and experimentally (using emission of a waveguide terahertz range (λ = 0.4326 mm) laser). The beams are excited by the modes of a dielectric resonator with a circular waveguide with different spatial polarization of the field. The obtained results improve the knowledge of specific features of propagation in different zones of diffraction and focusing of terahertz range laser beams.

CITADO POR
  1. Gurin O.V., Dubinin M.M., Degtyarev A.V., Maslov V.A., Muntean K.I., Ryabyh V.N., Spatial Structure of Focused Modes with Nonuniform Spatial Polarization of Metallic Resonator of a Terahertz Laser, 2019 IEEE 2nd Ukraine Conference on Electrical and Computer Engineering (UKRCON), 2019. Crossref

  2. Vlasenko S., Degtyarev A., Dubinin M., Maslov V., Spatial-energy characteristics of focused modes of a metal terahertz laser resonator, RADIOFIZIKA I ELEKTRONIKA, 24, 2, 2019. Crossref

  3. Degtyarev A., Dubinin M., Maslov V., Senyuta V., Focusing of inhomogeneous polarized modes of a laser waveguide dielectric resonator, RADIOFIZIKA I ELEKTRONIKA, 25, 2, 2020. Crossref

  4. Gurin O. V., Degtyarev A. V., Dubinin M. M., Muntean K. I., Ryabyh V. N., Focusing of Modes for Dielectric Resonator of a Terahertz Laser, 2019 IEEE 8th International Conference on Advanced Optoelectronics and Lasers (CAOL), 2019. Crossref

  5. Degtyarev A.V., Dubinin M.M., Maslov V.A., Muntean K.I., Spatial-Energy Characteristics of Focused Modes of Metallic Terahertz Laser Resonator, 2018 International Conference on Information and Telecommunication Technologies and Radio Electronics (UkrMiCo), 2018. Crossref

  6. Gurin O. V., Degtyarev A. V., Dubinin M. M., Maslov V. A., Muntean K. I., Ryabykh V. N., Focusing of Modes for Metallic Resonator of a Terahertz Laser with Nonuniform Spatial Polarization, 2018 IEEE 17th International Conference on Mathematical Methods in Electromagnetic Theory (MMET), 2018. Crossref

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