Generation of terahertz spatiotemporal optical vortices with frequency-dependent orbital angular momentum
Optical vortices with longitudinal orbital angular momentum (OAM) as a powerful tool for particle control, imaging and communication have been greatly developed. We introduce a novel property of broadband terahertz (THz) pulse, represented by frequency-dependent OAM orientation in spatiotemporal domain with transverse and longitudinal OAM projection. We illustrate a frequency-dependent broadband THz spatiotemporal optical vortex (STOV) in plasma-based THz emission driven by cylindrical symmetry broken two-color vortex field. We detect the evolution of OAM by time-delayed 2D electro-optic sampling combined with Fourier transform. This THz optical vortices tunability in spatiotemporal domain expands a new way for studying STOV and plasma-based THz radiation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:31 |
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| Enthalten in: |
Optics express - 31(2023), 10 vom: 08. Mai, Seite 16267-16280 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Shuo [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Completed 09.05.2023 Date Revised 09.05.2023 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1364/OE.484588 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM356608328 |
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| 245 | 1 | 0 | |a Generation of terahertz spatiotemporal optical vortices with frequency-dependent orbital angular momentum |
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| 500 | |a Date Revised 09.05.2023 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Optical vortices with longitudinal orbital angular momentum (OAM) as a powerful tool for particle control, imaging and communication have been greatly developed. We introduce a novel property of broadband terahertz (THz) pulse, represented by frequency-dependent OAM orientation in spatiotemporal domain with transverse and longitudinal OAM projection. We illustrate a frequency-dependent broadband THz spatiotemporal optical vortex (STOV) in plasma-based THz emission driven by cylindrical symmetry broken two-color vortex field. We detect the evolution of OAM by time-delayed 2D electro-optic sampling combined with Fourier transform. This THz optical vortices tunability in spatiotemporal domain expands a new way for studying STOV and plasma-based THz radiation | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Bai, Ya |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Na |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Peng |e verfasserin |4 aut | |
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