Observation of synchrotron radiation from electrons accelerated in a petawatt-laser-generated plasma cavity
The dynamics of plasma electrons in the focus of a petawatt laser beam are studied via measurements of their x-ray synchrotron radiation. With increasing laser intensity, a forward directed beam of x rays extending to 50 keV is observed. The measured x rays are well described in the synchrotron asym...
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| Veröffentlicht in: | Physical review letters 2008-03, Vol.100 (10), p.105006-105006, Article 105006 |
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| creator | Kneip, S Nagel, S R Bellei, C Bourgeois, N Dangor, A E Gopal, A Heathcote, R Mangles, S P D Marquès, J R Maksimchuk, A Nilson, P M Phuoc, K Ta Reed, S Tzoufras, M Tsung, F S Willingale, L Mori, W B Rousse, A Krushelnick, K Najmudin, Z |
| description | The dynamics of plasma electrons in the focus of a petawatt laser beam are studied via measurements of their x-ray synchrotron radiation. With increasing laser intensity, a forward directed beam of x rays extending to 50 keV is observed. The measured x rays are well described in the synchrotron asymptotic limit of electrons oscillating in a plasma channel. The critical energy of the measured synchrotron spectrum is found to scale as the Maxwellian temperature of the simultaneously measured electron spectra. At low laser intensity transverse oscillations are negligible as the electrons are predominantly accelerated axially by the laser generated wakefield. At high laser intensity, electrons are directly accelerated by the laser and enter a highly radiative regime with up to 5% of their energy converted into x rays. |
| doi_str_mv | 10.1103/physrevlett.100.105006 |
| format | Article |
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With increasing laser intensity, a forward directed beam of x rays extending to 50 keV is observed. The measured x rays are well described in the synchrotron asymptotic limit of electrons oscillating in a plasma channel. The critical energy of the measured synchrotron spectrum is found to scale as the Maxwellian temperature of the simultaneously measured electron spectra. At low laser intensity transverse oscillations are negligible as the electrons are predominantly accelerated axially by the laser generated wakefield. At high laser intensity, electrons are directly accelerated by the laser and enter a highly radiative regime with up to 5% of their energy converted into x rays.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/physrevlett.100.105006</identifier><identifier>PMID: 18352200</identifier><language>eng</language><publisher>United States: American Physical Society</publisher><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; ELECTRON SPECTRA ; ELECTRONS ; KEV RANGE 10-100 ; LASERS ; Optics ; OSCILLATIONS ; PETAWATT POWER RANGE ; Physics ; PLASMA ; SYNCHROTRON RADIATION ; SYNCHROTRONS ; X RADIATION</subject><ispartof>Physical review letters, 2008-03, Vol.100 (10), p.105006-105006, Article 105006</ispartof><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c538t-955d17cfdd0fecf3788253889768c05e2a5df8df7ee29ffaede71430498375d3</citedby><cites>FETCH-LOGICAL-c538t-955d17cfdd0fecf3788253889768c05e2a5df8df7ee29ffaede71430498375d3</cites><orcidid>0000-0003-0885-9285 ; 0000-0002-4770-7201</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,2862,2863,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18352200$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://polytechnique.hal.science/hal-00515627$$DView record in HAL$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/21123749$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Kneip, S</creatorcontrib><creatorcontrib>Nagel, S R</creatorcontrib><creatorcontrib>Bellei, C</creatorcontrib><creatorcontrib>Bourgeois, N</creatorcontrib><creatorcontrib>Dangor, A E</creatorcontrib><creatorcontrib>Gopal, A</creatorcontrib><creatorcontrib>Heathcote, R</creatorcontrib><creatorcontrib>Mangles, S P D</creatorcontrib><creatorcontrib>Marquès, J R</creatorcontrib><creatorcontrib>Maksimchuk, A</creatorcontrib><creatorcontrib>Nilson, P M</creatorcontrib><creatorcontrib>Phuoc, K Ta</creatorcontrib><creatorcontrib>Reed, S</creatorcontrib><creatorcontrib>Tzoufras, M</creatorcontrib><creatorcontrib>Tsung, F S</creatorcontrib><creatorcontrib>Willingale, L</creatorcontrib><creatorcontrib>Mori, W B</creatorcontrib><creatorcontrib>Rousse, A</creatorcontrib><creatorcontrib>Krushelnick, K</creatorcontrib><creatorcontrib>Najmudin, Z</creatorcontrib><title>Observation of synchrotron radiation from electrons accelerated in a petawatt-laser-generated plasma cavity</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>The dynamics of plasma electrons in the focus of a petawatt laser beam are studied via measurements of their x-ray synchrotron radiation. With increasing laser intensity, a forward directed beam of x rays extending to 50 keV is observed. The measured x rays are well described in the synchrotron asymptotic limit of electrons oscillating in a plasma channel. The critical energy of the measured synchrotron spectrum is found to scale as the Maxwellian temperature of the simultaneously measured electron spectra. At low laser intensity transverse oscillations are negligible as the electrons are predominantly accelerated axially by the laser generated wakefield. At high laser intensity, electrons are directly accelerated by the laser and enter a highly radiative regime with up to 5% of their energy converted into x rays.</description><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>ELECTRON SPECTRA</subject><subject>ELECTRONS</subject><subject>KEV RANGE 10-100</subject><subject>LASERS</subject><subject>Optics</subject><subject>OSCILLATIONS</subject><subject>PETAWATT POWER RANGE</subject><subject>Physics</subject><subject>PLASMA</subject><subject>SYNCHROTRON RADIATION</subject><subject>SYNCHROTRONS</subject><subject>X RADIATION</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNpFkVFrFDEUhYModq3-hTIgCD5MvUk2k8xjKWoLCxXpe0iTGzc6MxmT7JT992adRZ_CPefck5CPkCsK15QC_zTvjznhMmAp1xSqCAKge0E2FGTfSkq3L8kGgNO2B5AX5E3OPwGAsk69JhdUccEYwIb8enjKmBZTQpya6Jt8nOw-xZLqmIwLq-FTHBsc0J703Bhr65BMQdeEqTHNjMU8m1LawdS29gdOZ3euwmgaa5ZQjm_JK2-GjO_O5yV5_PL58fau3T18vb-92bVWcFXaXghHpfXOgUfruVSKVUP1slMWBDIjnFfOS0TWe2_QoaRbDttecSkcvyTv19qYS9DZhoJ2b-M01edrRinjctvX1Mc1tTeDnlMYTTrqaIK-u9npkwYgqOiYXGjNflizc4q_D5iLHkOuXzCYCeMh605BzwQ7Bbs1aFPMlY__10xBn7jpb5Xbd1x2lVvVqviXW128Ot9weBrR_V87g-J_AEAWmHY</recordid><startdate>20080314</startdate><enddate>20080314</enddate><creator>Kneip, S</creator><creator>Nagel, S R</creator><creator>Bellei, C</creator><creator>Bourgeois, N</creator><creator>Dangor, A E</creator><creator>Gopal, A</creator><creator>Heathcote, R</creator><creator>Mangles, S P D</creator><creator>Marquès, J R</creator><creator>Maksimchuk, A</creator><creator>Nilson, P M</creator><creator>Phuoc, K Ta</creator><creator>Reed, S</creator><creator>Tzoufras, M</creator><creator>Tsung, F S</creator><creator>Willingale, L</creator><creator>Mori, W B</creator><creator>Rousse, A</creator><creator>Krushelnick, K</creator><creator>Najmudin, Z</creator><general>American Physical Society</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>1XC</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0003-0885-9285</orcidid><orcidid>https://orcid.org/0000-0002-4770-7201</orcidid></search><sort><creationdate>20080314</creationdate><title>Observation of synchrotron radiation from electrons accelerated in a petawatt-laser-generated plasma cavity</title><author>Kneip, S ; Nagel, S R ; Bellei, C ; Bourgeois, N ; Dangor, A E ; Gopal, A ; Heathcote, R ; Mangles, S P D ; Marquès, J R ; Maksimchuk, A ; Nilson, P M ; Phuoc, K Ta ; Reed, S ; Tzoufras, M ; Tsung, F S ; Willingale, L ; Mori, W B ; Rousse, A ; Krushelnick, K ; Najmudin, Z</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c538t-955d17cfdd0fecf3788253889768c05e2a5df8df7ee29ffaede71430498375d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>ELECTRON SPECTRA</topic><topic>ELECTRONS</topic><topic>KEV RANGE 10-100</topic><topic>LASERS</topic><topic>Optics</topic><topic>OSCILLATIONS</topic><topic>PETAWATT POWER RANGE</topic><topic>Physics</topic><topic>PLASMA</topic><topic>SYNCHROTRON RADIATION</topic><topic>SYNCHROTRONS</topic><topic>X RADIATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kneip, S</creatorcontrib><creatorcontrib>Nagel, S R</creatorcontrib><creatorcontrib>Bellei, C</creatorcontrib><creatorcontrib>Bourgeois, N</creatorcontrib><creatorcontrib>Dangor, A E</creatorcontrib><creatorcontrib>Gopal, A</creatorcontrib><creatorcontrib>Heathcote, R</creatorcontrib><creatorcontrib>Mangles, S P D</creatorcontrib><creatorcontrib>Marquès, J R</creatorcontrib><creatorcontrib>Maksimchuk, A</creatorcontrib><creatorcontrib>Nilson, P M</creatorcontrib><creatorcontrib>Phuoc, K Ta</creatorcontrib><creatorcontrib>Reed, S</creatorcontrib><creatorcontrib>Tzoufras, M</creatorcontrib><creatorcontrib>Tsung, F S</creatorcontrib><creatorcontrib>Willingale, L</creatorcontrib><creatorcontrib>Mori, W B</creatorcontrib><creatorcontrib>Rousse, A</creatorcontrib><creatorcontrib>Krushelnick, K</creatorcontrib><creatorcontrib>Najmudin, Z</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kneip, S</au><au>Nagel, S R</au><au>Bellei, C</au><au>Bourgeois, N</au><au>Dangor, A E</au><au>Gopal, A</au><au>Heathcote, R</au><au>Mangles, S P D</au><au>Marquès, J R</au><au>Maksimchuk, A</au><au>Nilson, P M</au><au>Phuoc, K Ta</au><au>Reed, S</au><au>Tzoufras, M</au><au>Tsung, F S</au><au>Willingale, L</au><au>Mori, W B</au><au>Rousse, A</au><au>Krushelnick, K</au><au>Najmudin, Z</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observation of synchrotron radiation from electrons accelerated in a petawatt-laser-generated plasma cavity</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2008-03-14</date><risdate>2008</risdate><volume>100</volume><issue>10</issue><spage>105006</spage><epage>105006</epage><pages>105006-105006</pages><artnum>105006</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>The dynamics of plasma electrons in the focus of a petawatt laser beam are studied via measurements of their x-ray synchrotron radiation. With increasing laser intensity, a forward directed beam of x rays extending to 50 keV is observed. The measured x rays are well described in the synchrotron asymptotic limit of electrons oscillating in a plasma channel. The critical energy of the measured synchrotron spectrum is found to scale as the Maxwellian temperature of the simultaneously measured electron spectra. At low laser intensity transverse oscillations are negligible as the electrons are predominantly accelerated axially by the laser generated wakefield. At high laser intensity, electrons are directly accelerated by the laser and enter a highly radiative regime with up to 5% of their energy converted into x rays.</abstract><cop>United States</cop><pub>American Physical Society</pub><pmid>18352200</pmid><doi>10.1103/physrevlett.100.105006</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0003-0885-9285</orcidid><orcidid>https://orcid.org/0000-0002-4770-7201</orcidid><oa>free_for_read</oa></addata></record> |
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| source | American Physical Society Journals |
| subjects | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ELECTRON SPECTRA ELECTRONS KEV RANGE 10-100 LASERS Optics OSCILLATIONS PETAWATT POWER RANGE Physics PLASMA SYNCHROTRON RADIATION SYNCHROTRONS X RADIATION |
| title | Observation of synchrotron radiation from electrons accelerated in a petawatt-laser-generated plasma cavity |
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