Polarization and coherence properties of a partially coherent elegant Laguerre–Gaussian vortex beam in turbulent plasma
The analytical expressions for the cross-spectral density matrix elements of the partially coherent elegant Laguerre–Gaussian (eLG) vortex beam propagating through anisotropic turbulent plasma were derived based on the extended Huygens-Fresnel principle and used to study the changes in the polarizat...
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creator | Hassan, Labiba F. Alkelly, Abdu A. Khaled, M. A. H. |
description | The analytical expressions for the cross-spectral density matrix elements of the partially coherent elegant Laguerre–Gaussian (eLG) vortex beam propagating through anisotropic turbulent plasma were derived based on the extended Huygens-Fresnel principle and used to study the changes in the polarization degree and the coherence degree of the partially coherent eLG vortex beam in the turbulent plasma. The numerical results show that the polarization degree of a partially coherent eLG vortex beam reaches a specific value (which is equal to the degree of polarization in the source plane) after a long propagation distance in the turbulent plasma. Moreover, this value is independent of the beam order, topological charge, correlation coefficient, wavelength of the source plane, anisotropy parameter, refractive index fluctuation variance, and outer and inner scales of the turbulent plasma. The results also show that with increasing distance, the coherence degree first decreases from unity and then oscillates around zero. However, this oscillation gradually disappears after traveling a long distance. Our results intuitively present the beam polarization and coherence properties through anisotropic hypersonic turbulence, which can be useful for optical communication in hypersonic turbulent environments. |
doi_str_mv | 10.1063/5.0206079 |
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A. H.</creator><creatorcontrib>Hassan, Labiba F. ; Alkelly, Abdu A. ; Khaled, M. A. H.</creatorcontrib><description>The analytical expressions for the cross-spectral density matrix elements of the partially coherent elegant Laguerre–Gaussian (eLG) vortex beam propagating through anisotropic turbulent plasma were derived based on the extended Huygens-Fresnel principle and used to study the changes in the polarization degree and the coherence degree of the partially coherent eLG vortex beam in the turbulent plasma. The numerical results show that the polarization degree of a partially coherent eLG vortex beam reaches a specific value (which is equal to the degree of polarization in the source plane) after a long propagation distance in the turbulent plasma. Moreover, this value is independent of the beam order, topological charge, correlation coefficient, wavelength of the source plane, anisotropy parameter, refractive index fluctuation variance, and outer and inner scales of the turbulent plasma. The results also show that with increasing distance, the coherence degree first decreases from unity and then oscillates around zero. However, this oscillation gradually disappears after traveling a long distance. Our results intuitively present the beam polarization and coherence properties through anisotropic hypersonic turbulence, which can be useful for optical communication in hypersonic turbulent environments.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/5.0206079</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Anisotropy ; Coherence ; Correlation coefficients ; Electron beams ; Gaussian beams (optics) ; Optical properties ; Plasma ; Polarization ; Refractivity ; Turbulence ; Turbulent flow ; Vortices</subject><ispartof>Journal of applied physics, 2024-05, Vol.135 (19)</ispartof><rights>Author(s)</rights><rights>2024 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c287t-3e84ae570d3b16b2bf99105a794c3c2f262fb03760a8655e49030d1f4149b4fa3</cites><orcidid>0000-0003-0256-9463 ; 0000-0001-5644-3271 ; 0000-0002-6900-6393</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids></links><search><creatorcontrib>Hassan, Labiba F.</creatorcontrib><creatorcontrib>Alkelly, Abdu A.</creatorcontrib><creatorcontrib>Khaled, M. A. H.</creatorcontrib><title>Polarization and coherence properties of a partially coherent elegant Laguerre–Gaussian vortex beam in turbulent plasma</title><title>Journal of applied physics</title><description>The analytical expressions for the cross-spectral density matrix elements of the partially coherent elegant Laguerre–Gaussian (eLG) vortex beam propagating through anisotropic turbulent plasma were derived based on the extended Huygens-Fresnel principle and used to study the changes in the polarization degree and the coherence degree of the partially coherent eLG vortex beam in the turbulent plasma. The numerical results show that the polarization degree of a partially coherent eLG vortex beam reaches a specific value (which is equal to the degree of polarization in the source plane) after a long propagation distance in the turbulent plasma. Moreover, this value is independent of the beam order, topological charge, correlation coefficient, wavelength of the source plane, anisotropy parameter, refractive index fluctuation variance, and outer and inner scales of the turbulent plasma. The results also show that with increasing distance, the coherence degree first decreases from unity and then oscillates around zero. However, this oscillation gradually disappears after traveling a long distance. Our results intuitively present the beam polarization and coherence properties through anisotropic hypersonic turbulence, which can be useful for optical communication in hypersonic turbulent environments.</description><subject>Anisotropy</subject><subject>Coherence</subject><subject>Correlation coefficients</subject><subject>Electron beams</subject><subject>Gaussian beams (optics)</subject><subject>Optical properties</subject><subject>Plasma</subject><subject>Polarization</subject><subject>Refractivity</subject><subject>Turbulence</subject><subject>Turbulent flow</subject><subject>Vortices</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKw0AQhhdRsFYPvsGCJ4XU2Ww2yR6laBUKetBzmKSzNSXNxt2NWE--g2_ok5havXr6Gfj-GeZj7FTAREAqL9UEYkgh03tsJCDXUaYU7LMRQCyiXGf6kB15vwIQIpd6xDYPtkFXv2OobcuxXfDKPpOjtiLeOduRCzV5bg1H3uEwYNNs_pjAqaElDjnHZU_O0dfH5wx772ts-at1gd54SbjmdctD78q-2Za6Bv0aj9mBwcbTyW-O2dPN9eP0Nprfz-6mV_OoivMsRJLyBEllsJClSMu4NFoLUJjppJJVbOI0NiXILAXMU6Uo0SBhIUwiEl0mBuWYne32Du-89ORDsbK9a4eThQSVDrq0ygfqfEdVznrvyBSdq9foNoWAYmu2UMWv2YG92LG-qsOPuH_gb7PNerU</recordid><startdate>20240521</startdate><enddate>20240521</enddate><creator>Hassan, Labiba F.</creator><creator>Alkelly, Abdu A.</creator><creator>Khaled, M. A. H.</creator><general>American Institute of Physics</general><scope>AJDQP</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-0256-9463</orcidid><orcidid>https://orcid.org/0000-0001-5644-3271</orcidid><orcidid>https://orcid.org/0000-0002-6900-6393</orcidid></search><sort><creationdate>20240521</creationdate><title>Polarization and coherence properties of a partially coherent elegant Laguerre–Gaussian vortex beam in turbulent plasma</title><author>Hassan, Labiba F. ; Alkelly, Abdu A. ; Khaled, M. A. H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c287t-3e84ae570d3b16b2bf99105a794c3c2f262fb03760a8655e49030d1f4149b4fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Anisotropy</topic><topic>Coherence</topic><topic>Correlation coefficients</topic><topic>Electron beams</topic><topic>Gaussian beams (optics)</topic><topic>Optical properties</topic><topic>Plasma</topic><topic>Polarization</topic><topic>Refractivity</topic><topic>Turbulence</topic><topic>Turbulent flow</topic><topic>Vortices</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hassan, Labiba F.</creatorcontrib><creatorcontrib>Alkelly, Abdu A.</creatorcontrib><creatorcontrib>Khaled, M. A. H.</creatorcontrib><collection>AIP Open Access Journals</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hassan, Labiba F.</au><au>Alkelly, Abdu A.</au><au>Khaled, M. A. H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Polarization and coherence properties of a partially coherent elegant Laguerre–Gaussian vortex beam in turbulent plasma</atitle><jtitle>Journal of applied physics</jtitle><date>2024-05-21</date><risdate>2024</risdate><volume>135</volume><issue>19</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>The analytical expressions for the cross-spectral density matrix elements of the partially coherent elegant Laguerre–Gaussian (eLG) vortex beam propagating through anisotropic turbulent plasma were derived based on the extended Huygens-Fresnel principle and used to study the changes in the polarization degree and the coherence degree of the partially coherent eLG vortex beam in the turbulent plasma. The numerical results show that the polarization degree of a partially coherent eLG vortex beam reaches a specific value (which is equal to the degree of polarization in the source plane) after a long propagation distance in the turbulent plasma. Moreover, this value is independent of the beam order, topological charge, correlation coefficient, wavelength of the source plane, anisotropy parameter, refractive index fluctuation variance, and outer and inner scales of the turbulent plasma. The results also show that with increasing distance, the coherence degree first decreases from unity and then oscillates around zero. However, this oscillation gradually disappears after traveling a long distance. Our results intuitively present the beam polarization and coherence properties through anisotropic hypersonic turbulence, which can be useful for optical communication in hypersonic turbulent environments.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0206079</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0003-0256-9463</orcidid><orcidid>https://orcid.org/0000-0001-5644-3271</orcidid><orcidid>https://orcid.org/0000-0002-6900-6393</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Anisotropy Coherence Correlation coefficients Electron beams Gaussian beams (optics) Optical properties Plasma Polarization Refractivity Turbulence Turbulent flow Vortices |
title | Polarization and coherence properties of a partially coherent elegant Laguerre–Gaussian vortex beam in turbulent plasma |
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