Self-focusing of cosh-Gaussian laser beams in a parabolic medium with linear absorption
The authors have investigated self-focusing of cosh-Gaussian laser beams in a parabolic medium with linear absorption. The field distribution in the medium is expressed in terms of beam-width parameter f, decentred parameter b and absorption coefficient k i . The differential equation for f paramete...
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| Veröffentlicht in: | Optics and lasers in engineering 2009-05, Vol.47 (5), p.604-606 |
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| container_title | Optics and lasers in engineering |
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| creator | Patil, S.D. Navare, S.T. Takale, M.V. Dongare, M.B. |
| description | The authors have investigated self-focusing of cosh-Gaussian laser beams in a parabolic medium with linear absorption. The field distribution in the medium is expressed in terms of beam-width parameter
f, decentred parameter
b and absorption coefficient
k
i
. The differential equation for
f parameter is established by following Wentzel–Kramers–Brillouin (WKB) and paraxial approximations through parabolic wave equation approach and analytical solution is obtained for the same. The behavior of
f parameter with the normalized distance of propagation
η is studied at various values of
b with different absorption levels in the medium. The results are presented graphically and discussed. |
| doi_str_mv | 10.1016/j.optlaseng.2008.09.002 |
| format | Article |
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f, decentred parameter
b and absorption coefficient
k
i
. The differential equation for
f parameter is established by following Wentzel–Kramers–Brillouin (WKB) and paraxial approximations through parabolic wave equation approach and analytical solution is obtained for the same. The behavior of
f parameter with the normalized distance of propagation
η is studied at various values of
b with different absorption levels in the medium. The results are presented graphically and discussed.</description><identifier>ISSN: 0143-8166</identifier><identifier>EISSN: 1873-0302</identifier><identifier>DOI: 10.1016/j.optlaseng.2008.09.002</identifier><identifier>CODEN: OLENDN</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Beam trapping, self-focusing and defocusing; self-phase modulation ; Cosh-Gaussian beams ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Nonlinear optics ; Optics ; Parabolic medium ; Parabolic wave equation ; Physics ; Self-focusing/defocusing</subject><ispartof>Optics and lasers in engineering, 2009-05, Vol.47 (5), p.604-606</ispartof><rights>2008 Elsevier Ltd</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c376t-8808d9ae6953e110d07f089d5520f65b878d4ccba0bef5015c7331e3e5938fcf3</citedby><cites>FETCH-LOGICAL-c376t-8808d9ae6953e110d07f089d5520f65b878d4ccba0bef5015c7331e3e5938fcf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.optlaseng.2008.09.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21289003$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Patil, S.D.</creatorcontrib><creatorcontrib>Navare, S.T.</creatorcontrib><creatorcontrib>Takale, M.V.</creatorcontrib><creatorcontrib>Dongare, M.B.</creatorcontrib><title>Self-focusing of cosh-Gaussian laser beams in a parabolic medium with linear absorption</title><title>Optics and lasers in engineering</title><description>The authors have investigated self-focusing of cosh-Gaussian laser beams in a parabolic medium with linear absorption. The field distribution in the medium is expressed in terms of beam-width parameter
f, decentred parameter
b and absorption coefficient
k
i
. The differential equation for
f parameter is established by following Wentzel–Kramers–Brillouin (WKB) and paraxial approximations through parabolic wave equation approach and analytical solution is obtained for the same. The behavior of
f parameter with the normalized distance of propagation
η is studied at various values of
b with different absorption levels in the medium. The results are presented graphically and discussed.</description><subject>Beam trapping, self-focusing and defocusing; self-phase modulation</subject><subject>Cosh-Gaussian beams</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Nonlinear optics</subject><subject>Optics</subject><subject>Parabolic medium</subject><subject>Parabolic wave equation</subject><subject>Physics</subject><subject>Self-focusing/defocusing</subject><issn>0143-8166</issn><issn>1873-0302</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkEFv1DAQhS0EEsvCb8AXeks6jjeJc6wqKEiVemgRR2vijFuvEjv1JCD-PVlt1SunuXzvPc0nxGcFpQLVXB7LNC8jMsXHsgIwJXQlQPVG7JRpdQEaqrdiB-qgC6Oa5r34wHyELXlQaid-3dPoC5_cyiE-yuSlS_xU3ODKHDDKU3GWPeHEMkSJcsaMfRqDkxMNYZ3kn7A8yTFEwiyx55TnJaT4UbzzODJ9erl78fPb14fr78Xt3c2P66vbwum2WQpjwAwdUtPVmpSCAVoPphvqugLf1L1pzXBwrkfoydegatdqrUhT3Wnjndd7cXHunXN6XokXOwV2NI4YKa1s9aEx2-v1BrZn0OXEnMnbOYcJ81-rwJ5E2qN9FWlPIi10dhO5Jb-8TCA7HH3G6AK_xitVmQ5Ab9zVmaPt39-BsmUXKLpNUya32CGF_279A69TjiY</recordid><startdate>20090501</startdate><enddate>20090501</enddate><creator>Patil, S.D.</creator><creator>Navare, S.T.</creator><creator>Takale, M.V.</creator><creator>Dongare, M.B.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>20090501</creationdate><title>Self-focusing of cosh-Gaussian laser beams in a parabolic medium with linear absorption</title><author>Patil, S.D. ; Navare, S.T. ; Takale, M.V. ; Dongare, M.B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-8808d9ae6953e110d07f089d5520f65b878d4ccba0bef5015c7331e3e5938fcf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Beam trapping, self-focusing and defocusing; self-phase modulation</topic><topic>Cosh-Gaussian beams</topic><topic>Exact sciences and technology</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Nonlinear optics</topic><topic>Optics</topic><topic>Parabolic medium</topic><topic>Parabolic wave equation</topic><topic>Physics</topic><topic>Self-focusing/defocusing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Patil, S.D.</creatorcontrib><creatorcontrib>Navare, S.T.</creatorcontrib><creatorcontrib>Takale, M.V.</creatorcontrib><creatorcontrib>Dongare, M.B.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Optics and lasers in engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Patil, S.D.</au><au>Navare, S.T.</au><au>Takale, M.V.</au><au>Dongare, M.B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Self-focusing of cosh-Gaussian laser beams in a parabolic medium with linear absorption</atitle><jtitle>Optics and lasers in engineering</jtitle><date>2009-05-01</date><risdate>2009</risdate><volume>47</volume><issue>5</issue><spage>604</spage><epage>606</epage><pages>604-606</pages><issn>0143-8166</issn><eissn>1873-0302</eissn><coden>OLENDN</coden><abstract>The authors have investigated self-focusing of cosh-Gaussian laser beams in a parabolic medium with linear absorption. The field distribution in the medium is expressed in terms of beam-width parameter
f, decentred parameter
b and absorption coefficient
k
i
. The differential equation for
f parameter is established by following Wentzel–Kramers–Brillouin (WKB) and paraxial approximations through parabolic wave equation approach and analytical solution is obtained for the same. The behavior of
f parameter with the normalized distance of propagation
η is studied at various values of
b with different absorption levels in the medium. The results are presented graphically and discussed.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.optlaseng.2008.09.002</doi><tpages>3</tpages></addata></record> |
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| ispartof | Optics and lasers in engineering, 2009-05, Vol.47 (5), p.604-606 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Beam trapping, self-focusing and defocusing self-phase modulation Cosh-Gaussian beams Exact sciences and technology Fundamental areas of phenomenology (including applications) Nonlinear optics Optics Parabolic medium Parabolic wave equation Physics Self-focusing/defocusing |
| title | Self-focusing of cosh-Gaussian laser beams in a parabolic medium with linear absorption |
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