Subwavelength Diffractive Optical Elements for Generation of Terahertz Coherent Beams with Pre-Given Polarization State

Coherent terahertz beams with radial polarization of the 1st, 2nd, and 3rd orders have been generated with the use of silicon subwavelength diffractive optical elements (DOEs). Silicon elements were fabricated by a technology similar to the technology used before for the fabrication of DOEs forming...

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Autores principales: Pavelyev, Vladimir, Khonina, Svetlana, Degtyarev, Sergey, Tukmakov, Konstantin, Reshetnikov, Anton, Gerasimov, Vasily, Osintseva, Natalya, Knyazev, Boris
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9920005/
https://www.ncbi.nlm.nih.gov/pubmed/36772619
http://dx.doi.org/10.3390/s23031579
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author Pavelyev, Vladimir
Khonina, Svetlana
Degtyarev, Sergey
Tukmakov, Konstantin
Reshetnikov, Anton
Gerasimov, Vasily
Osintseva, Natalya
Knyazev, Boris
author_facet Pavelyev, Vladimir
Khonina, Svetlana
Degtyarev, Sergey
Tukmakov, Konstantin
Reshetnikov, Anton
Gerasimov, Vasily
Osintseva, Natalya
Knyazev, Boris
author_sort Pavelyev, Vladimir
collection PubMed
description Coherent terahertz beams with radial polarization of the 1st, 2nd, and 3rd orders have been generated with the use of silicon subwavelength diffractive optical elements (DOEs). Silicon elements were fabricated by a technology similar to the technology used before for the fabrication of DOEs forming laser terahertz beams with pre-given mode content. The beam of the terahertz Novosibirsk Free Electron Laser was used as the illuminating beam. The experimental results are in good agreement with the results of the computer simulation.
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spelling pubmed-99200052023-02-12 Subwavelength Diffractive Optical Elements for Generation of Terahertz Coherent Beams with Pre-Given Polarization State Pavelyev, Vladimir Khonina, Svetlana Degtyarev, Sergey Tukmakov, Konstantin Reshetnikov, Anton Gerasimov, Vasily Osintseva, Natalya Knyazev, Boris Sensors (Basel) Article Coherent terahertz beams with radial polarization of the 1st, 2nd, and 3rd orders have been generated with the use of silicon subwavelength diffractive optical elements (DOEs). Silicon elements were fabricated by a technology similar to the technology used before for the fabrication of DOEs forming laser terahertz beams with pre-given mode content. The beam of the terahertz Novosibirsk Free Electron Laser was used as the illuminating beam. The experimental results are in good agreement with the results of the computer simulation. MDPI 2023-02-01 /pmc/articles/PMC9920005/ /pubmed/36772619 http://dx.doi.org/10.3390/s23031579 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Pavelyev, Vladimir
Khonina, Svetlana
Degtyarev, Sergey
Tukmakov, Konstantin
Reshetnikov, Anton
Gerasimov, Vasily
Osintseva, Natalya
Knyazev, Boris
Subwavelength Diffractive Optical Elements for Generation of Terahertz Coherent Beams with Pre-Given Polarization State
title Subwavelength Diffractive Optical Elements for Generation of Terahertz Coherent Beams with Pre-Given Polarization State
title_full Subwavelength Diffractive Optical Elements for Generation of Terahertz Coherent Beams with Pre-Given Polarization State
title_fullStr Subwavelength Diffractive Optical Elements for Generation of Terahertz Coherent Beams with Pre-Given Polarization State
title_full_unstemmed Subwavelength Diffractive Optical Elements for Generation of Terahertz Coherent Beams with Pre-Given Polarization State
title_short Subwavelength Diffractive Optical Elements for Generation of Terahertz Coherent Beams with Pre-Given Polarization State
title_sort subwavelength diffractive optical elements for generation of terahertz coherent beams with pre-given polarization state
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9920005/
https://www.ncbi.nlm.nih.gov/pubmed/36772619
http://dx.doi.org/10.3390/s23031579
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