Effective factors on twisted terahertz radiation generation in a rippled plasma
Based on the beating of two Laguerre–Gaussian laser beams in a rippled plasma medium, the effective factors such as plasma density, Gouy phase and orbital angular momentums of input lasers on the output twisted terahertz radiation are investigated. As a result, the amplitude of the generated vortex...
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| Veröffentlicht in: | Journal of plasma physics 2017-02, Vol.83 (1), Article 655830101 |
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| creator | Sobhani, Hassan Dadar, Elham Feili, Sahar |
| description | Based on the beating of two Laguerre–Gaussian laser beams in a rippled plasma medium, the effective factors such as plasma density, Gouy phase and orbital angular momentums of input lasers on the output twisted terahertz radiation are investigated. As a result, the amplitude of the generated vortex terahertz radiation is an increasing function of plasma density. The vortex terahertz intensity is strongly dependent on the orbital angular momentum of the input lasers. The terahertz output amplitude increases by decreasing the orbital angular momentum of the Laguerre–Gaussian input lasers. Here, by employing a suitably ripple wavenumber, the destroyer effect of the relative Gouy phase of the input lasers is removed, and perfect phase matching is satisfied. |
| doi_str_mv | 10.1017/S0022377816001276 |
| format | Article |
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As a result, the amplitude of the generated vortex terahertz radiation is an increasing function of plasma density. The vortex terahertz intensity is strongly dependent on the orbital angular momentum of the input lasers. The terahertz output amplitude increases by decreasing the orbital angular momentum of the Laguerre–Gaussian input lasers. Here, by employing a suitably ripple wavenumber, the destroyer effect of the relative Gouy phase of the input lasers is removed, and perfect phase matching is satisfied.</description><identifier>ISSN: 0022-3778</identifier><identifier>EISSN: 1469-7807</identifier><identifier>DOI: 10.1017/S0022377816001276</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Density ; Lasers ; Plasma physics ; Ultra-high Field Physics with Lasers: Experimental Status and Theoretical Modelling</subject><ispartof>Journal of plasma physics, 2017-02, Vol.83 (1), Article 655830101</ispartof><rights>Cambridge University Press 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c317t-6d6b53cd1635d6d30160b5c57b2f8ab1a6aaec6b3a0d464ab2bbd7ad7f8582623</citedby><cites>FETCH-LOGICAL-c317t-6d6b53cd1635d6d30160b5c57b2f8ab1a6aaec6b3a0d464ab2bbd7ad7f8582623</cites><orcidid>0000-0002-8392-9688</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S0022377816001276/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,314,776,780,27903,27904,55607</link.rule.ids></links><search><creatorcontrib>Sobhani, Hassan</creatorcontrib><creatorcontrib>Dadar, Elham</creatorcontrib><creatorcontrib>Feili, Sahar</creatorcontrib><title>Effective factors on twisted terahertz radiation generation in a rippled plasma</title><title>Journal of plasma physics</title><addtitle>J. Plasma Phys</addtitle><description>Based on the beating of two Laguerre–Gaussian laser beams in a rippled plasma medium, the effective factors such as plasma density, Gouy phase and orbital angular momentums of input lasers on the output twisted terahertz radiation are investigated. As a result, the amplitude of the generated vortex terahertz radiation is an increasing function of plasma density. The vortex terahertz intensity is strongly dependent on the orbital angular momentum of the input lasers. The terahertz output amplitude increases by decreasing the orbital angular momentum of the Laguerre–Gaussian input lasers. 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| ispartof | Journal of plasma physics, 2017-02, Vol.83 (1), Article 655830101 |
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| language | eng |
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| source | Cambridge University Press Journals Complete |
| subjects | Density Lasers Plasma physics Ultra-high Field Physics with Lasers: Experimental Status and Theoretical Modelling |
| title | Effective factors on twisted terahertz radiation generation in a rippled plasma |
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