Effect of overlapping laser beams and density scale length in laser-plasma instability experiments on OMEGA EP
Experiments have been conducted on the OMEGA EP laser facility to study the effect of density scale length and overlapping beam geometry on laser-plasma instabilities near and below the quarter-critical density. Experiments were conducted in both planar geometry (density scale length L n ∼ 190 to 30...
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| Veröffentlicht in: | Physics of plasmas 2023-04, Vol.30 (4) |
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| creator | Rosenberg, M. J. Solodov, A. A. Myatt, J. F. Hironaka, S. Sivajeyan, J. Follett, R. K. Filkins, T. Maximov, A. V. Ren, C. Cao, S. Michel, P. Wei, M. S. Palastro, J. P. Scott, R. H. H. Glize, K. Regan, S. P. |
| description | Experiments have been conducted on the OMEGA EP laser facility to study the effect of density scale length and overlapping beam geometry on laser-plasma instabilities near and below the quarter-critical density. Experiments were conducted in both planar geometry (density scale length
L
n
∼ 190 to 300
μm) and spherical geometry (
L
n
∼ 150
μm) with up to four overlapping beams and were designed to have overlapped intensities and density scale lengths comparable to OMEGA spherical experiments, but with many fewer beams. In comparison with previous experiments on OMEGA and National Ignition Facility, it is confirmed that shorter density scale lengths favor the two-plasmon decay (TPD) instability, while longer density scale lengths favor stimulated Raman scattering (SRS). In addition, for experiments at the same scale length and overlapped laser intensity, higher single-beam intensities favor SRS, while a larger number of overlapping beams favor TPD. |
| doi_str_mv | 10.1063/5.0135603 |
| format | Article |
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L
n
∼ 190 to 300
μm) and spherical geometry (
L
n
∼ 150
μm) with up to four overlapping beams and were designed to have overlapped intensities and density scale lengths comparable to OMEGA spherical experiments, but with many fewer beams. In comparison with previous experiments on OMEGA and National Ignition Facility, it is confirmed that shorter density scale lengths favor the two-plasmon decay (TPD) instability, while longer density scale lengths favor stimulated Raman scattering (SRS). In addition, for experiments at the same scale length and overlapped laser intensity, higher single-beam intensities favor SRS, while a larger number of overlapping beams favor TPD.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/5.0135603</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Density ; Laser beams ; Magnetohydrodynamic stability ; Plasma physics ; Raman spectra</subject><ispartof>Physics of plasmas, 2023-04, Vol.30 (4)</ispartof><rights>Author(s)</rights><rights>2023 Author(s). Published under an exclusive license by AIP Publishing.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-e5a1e1a9bbb0290d8ce04606f6aedb56293fdeddbf4b61d6d335e949fb02a5f33</citedby><cites>FETCH-LOGICAL-c389t-e5a1e1a9bbb0290d8ce04606f6aedb56293fdeddbf4b61d6d335e949fb02a5f33</cites><orcidid>0000-0002-5742-3034 ; 0000-0002-4257-6409 ; 0000-0002-3841-3666 ; 0000-0002-7358-4524 ; 0000-0001-6359-7172 ; 0000-0003-1066-3708 ; 0000-0002-1534-1508 ; 0000-0002-6721-1924 ; 0000-0002-7584-7420 ; 0000-0002-9924-304X ; 0000-0002-2982-2425 ; 0000-0002-1632-606X ; 0000-0002-2063-9675 ; 0000-0002-7393-7449 ; 0000-0002-0858-4827 ; 0000-0002-5150-7309 ; 0000000310663708 ; 0000000273584524 ; 0000000208584827 ; 0000000275847420 ; 0000000238413666 ; 0000000163597172 ; 0000000220639675 ; 0000000229822425 ; 000000029924304X ; 0000000267211924 ; 000000021632606X ; 0000000251507309 ; 0000000273937449 ; 0000000257423034 ; 0000000242576409 ; 0000000215341508</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/pop/article-lookup/doi/10.1063/5.0135603$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,776,780,790,881,4498,27901,27902,76353</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1968906$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Rosenberg, M. J.</creatorcontrib><creatorcontrib>Solodov, A. A.</creatorcontrib><creatorcontrib>Myatt, J. F.</creatorcontrib><creatorcontrib>Hironaka, S.</creatorcontrib><creatorcontrib>Sivajeyan, J.</creatorcontrib><creatorcontrib>Follett, R. K.</creatorcontrib><creatorcontrib>Filkins, T.</creatorcontrib><creatorcontrib>Maximov, A. V.</creatorcontrib><creatorcontrib>Ren, C.</creatorcontrib><creatorcontrib>Cao, S.</creatorcontrib><creatorcontrib>Michel, P.</creatorcontrib><creatorcontrib>Wei, M. S.</creatorcontrib><creatorcontrib>Palastro, J. P.</creatorcontrib><creatorcontrib>Scott, R. H. H.</creatorcontrib><creatorcontrib>Glize, K.</creatorcontrib><creatorcontrib>Regan, S. P.</creatorcontrib><title>Effect of overlapping laser beams and density scale length in laser-plasma instability experiments on OMEGA EP</title><title>Physics of plasmas</title><description>Experiments have been conducted on the OMEGA EP laser facility to study the effect of density scale length and overlapping beam geometry on laser-plasma instabilities near and below the quarter-critical density. Experiments were conducted in both planar geometry (density scale length
L
n
∼ 190 to 300
μm) and spherical geometry (
L
n
∼ 150
μm) with up to four overlapping beams and were designed to have overlapped intensities and density scale lengths comparable to OMEGA spherical experiments, but with many fewer beams. In comparison with previous experiments on OMEGA and National Ignition Facility, it is confirmed that shorter density scale lengths favor the two-plasmon decay (TPD) instability, while longer density scale lengths favor stimulated Raman scattering (SRS). In addition, for experiments at the same scale length and overlapped laser intensity, higher single-beam intensities favor SRS, while a larger number of overlapping beams favor TPD.</description><subject>Density</subject><subject>Laser beams</subject><subject>Magnetohydrodynamic stability</subject><subject>Plasma physics</subject><subject>Raman spectra</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNqd0E1LxDAQBuAgCurqwX8Q9KRQTZo22xxlqR-wsh4UvIW0mWilm9Qku7j_3pQK3j1NBh4yMy9CZ5RcU8LZTXlNKCs5YXvoiJJKZHM-L_bH95xknBdvh-g4hE9CSMHL6gjZ2hhoI3YGuy34Xg1DZ99xrwJ43IBaB6ysxhps6OIOh1b1gHuw7_EDd3Zy2ZDKWqU-RNV0_QjhewDfrcHGgJ3Fq6f6_hbXzyfowKg-wOlvnaHXu_pl8ZAtV_ePi9tl1rJKxAxKRYEq0TQNyQXRVQtpX8INV6CbkueCGQ1aN6ZoONVcM1aCKIRJXJWGsRk6n_51IXYytF2E9qN11qZbJRW8EimsGbqY0ODd1wZClJ9u423aS-ZzUVV5VRSjupxU610IHowc0mHK7yQlcsxclvI382SvJjtOVLFz9n946_wflIM27AdsL5Bj</recordid><startdate>202304</startdate><enddate>202304</enddate><creator>Rosenberg, M. J.</creator><creator>Solodov, A. A.</creator><creator>Myatt, J. F.</creator><creator>Hironaka, S.</creator><creator>Sivajeyan, J.</creator><creator>Follett, R. K.</creator><creator>Filkins, T.</creator><creator>Maximov, A. V.</creator><creator>Ren, C.</creator><creator>Cao, S.</creator><creator>Michel, P.</creator><creator>Wei, M. S.</creator><creator>Palastro, J. P.</creator><creator>Scott, R. H. H.</creator><creator>Glize, K.</creator><creator>Regan, S. P.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-5742-3034</orcidid><orcidid>https://orcid.org/0000-0002-4257-6409</orcidid><orcidid>https://orcid.org/0000-0002-3841-3666</orcidid><orcidid>https://orcid.org/0000-0002-7358-4524</orcidid><orcidid>https://orcid.org/0000-0001-6359-7172</orcidid><orcidid>https://orcid.org/0000-0003-1066-3708</orcidid><orcidid>https://orcid.org/0000-0002-1534-1508</orcidid><orcidid>https://orcid.org/0000-0002-6721-1924</orcidid><orcidid>https://orcid.org/0000-0002-7584-7420</orcidid><orcidid>https://orcid.org/0000-0002-9924-304X</orcidid><orcidid>https://orcid.org/0000-0002-2982-2425</orcidid><orcidid>https://orcid.org/0000-0002-1632-606X</orcidid><orcidid>https://orcid.org/0000-0002-2063-9675</orcidid><orcidid>https://orcid.org/0000-0002-7393-7449</orcidid><orcidid>https://orcid.org/0000-0002-0858-4827</orcidid><orcidid>https://orcid.org/0000-0002-5150-7309</orcidid><orcidid>https://orcid.org/0000000310663708</orcidid><orcidid>https://orcid.org/0000000273584524</orcidid><orcidid>https://orcid.org/0000000208584827</orcidid><orcidid>https://orcid.org/0000000275847420</orcidid><orcidid>https://orcid.org/0000000238413666</orcidid><orcidid>https://orcid.org/0000000163597172</orcidid><orcidid>https://orcid.org/0000000220639675</orcidid><orcidid>https://orcid.org/0000000229822425</orcidid><orcidid>https://orcid.org/000000029924304X</orcidid><orcidid>https://orcid.org/0000000267211924</orcidid><orcidid>https://orcid.org/000000021632606X</orcidid><orcidid>https://orcid.org/0000000251507309</orcidid><orcidid>https://orcid.org/0000000273937449</orcidid><orcidid>https://orcid.org/0000000257423034</orcidid><orcidid>https://orcid.org/0000000242576409</orcidid><orcidid>https://orcid.org/0000000215341508</orcidid></search><sort><creationdate>202304</creationdate><title>Effect of overlapping laser beams and density scale length in laser-plasma instability experiments on OMEGA EP</title><author>Rosenberg, M. J. ; Solodov, A. A. ; Myatt, J. F. ; Hironaka, S. ; Sivajeyan, J. ; Follett, R. K. ; Filkins, T. ; Maximov, A. V. ; Ren, C. ; Cao, S. ; Michel, P. ; Wei, M. S. ; Palastro, J. P. ; Scott, R. H. H. ; Glize, K. ; Regan, S. P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c389t-e5a1e1a9bbb0290d8ce04606f6aedb56293fdeddbf4b61d6d335e949fb02a5f33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Density</topic><topic>Laser beams</topic><topic>Magnetohydrodynamic stability</topic><topic>Plasma physics</topic><topic>Raman spectra</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rosenberg, M. J.</creatorcontrib><creatorcontrib>Solodov, A. A.</creatorcontrib><creatorcontrib>Myatt, J. F.</creatorcontrib><creatorcontrib>Hironaka, S.</creatorcontrib><creatorcontrib>Sivajeyan, J.</creatorcontrib><creatorcontrib>Follett, R. K.</creatorcontrib><creatorcontrib>Filkins, T.</creatorcontrib><creatorcontrib>Maximov, A. V.</creatorcontrib><creatorcontrib>Ren, C.</creatorcontrib><creatorcontrib>Cao, S.</creatorcontrib><creatorcontrib>Michel, P.</creatorcontrib><creatorcontrib>Wei, M. S.</creatorcontrib><creatorcontrib>Palastro, J. P.</creatorcontrib><creatorcontrib>Scott, R. H. H.</creatorcontrib><creatorcontrib>Glize, K.</creatorcontrib><creatorcontrib>Regan, S. P.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rosenberg, M. J.</au><au>Solodov, A. A.</au><au>Myatt, J. F.</au><au>Hironaka, S.</au><au>Sivajeyan, J.</au><au>Follett, R. K.</au><au>Filkins, T.</au><au>Maximov, A. V.</au><au>Ren, C.</au><au>Cao, S.</au><au>Michel, P.</au><au>Wei, M. S.</au><au>Palastro, J. P.</au><au>Scott, R. H. H.</au><au>Glize, K.</au><au>Regan, S. P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of overlapping laser beams and density scale length in laser-plasma instability experiments on OMEGA EP</atitle><jtitle>Physics of plasmas</jtitle><date>2023-04</date><risdate>2023</risdate><volume>30</volume><issue>4</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>Experiments have been conducted on the OMEGA EP laser facility to study the effect of density scale length and overlapping beam geometry on laser-plasma instabilities near and below the quarter-critical density. Experiments were conducted in both planar geometry (density scale length
L
n
∼ 190 to 300
μm) and spherical geometry (
L
n
∼ 150
μm) with up to four overlapping beams and were designed to have overlapped intensities and density scale lengths comparable to OMEGA spherical experiments, but with many fewer beams. In comparison with previous experiments on OMEGA and National Ignition Facility, it is confirmed that shorter density scale lengths favor the two-plasmon decay (TPD) instability, while longer density scale lengths favor stimulated Raman scattering (SRS). In addition, for experiments at the same scale length and overlapped laser intensity, higher single-beam intensities favor SRS, while a larger number of overlapping beams favor TPD.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0135603</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-5742-3034</orcidid><orcidid>https://orcid.org/0000-0002-4257-6409</orcidid><orcidid>https://orcid.org/0000-0002-3841-3666</orcidid><orcidid>https://orcid.org/0000-0002-7358-4524</orcidid><orcidid>https://orcid.org/0000-0001-6359-7172</orcidid><orcidid>https://orcid.org/0000-0003-1066-3708</orcidid><orcidid>https://orcid.org/0000-0002-1534-1508</orcidid><orcidid>https://orcid.org/0000-0002-6721-1924</orcidid><orcidid>https://orcid.org/0000-0002-7584-7420</orcidid><orcidid>https://orcid.org/0000-0002-9924-304X</orcidid><orcidid>https://orcid.org/0000-0002-2982-2425</orcidid><orcidid>https://orcid.org/0000-0002-1632-606X</orcidid><orcidid>https://orcid.org/0000-0002-2063-9675</orcidid><orcidid>https://orcid.org/0000-0002-7393-7449</orcidid><orcidid>https://orcid.org/0000-0002-0858-4827</orcidid><orcidid>https://orcid.org/0000-0002-5150-7309</orcidid><orcidid>https://orcid.org/0000000310663708</orcidid><orcidid>https://orcid.org/0000000273584524</orcidid><orcidid>https://orcid.org/0000000208584827</orcidid><orcidid>https://orcid.org/0000000275847420</orcidid><orcidid>https://orcid.org/0000000238413666</orcidid><orcidid>https://orcid.org/0000000163597172</orcidid><orcidid>https://orcid.org/0000000220639675</orcidid><orcidid>https://orcid.org/0000000229822425</orcidid><orcidid>https://orcid.org/000000029924304X</orcidid><orcidid>https://orcid.org/0000000267211924</orcidid><orcidid>https://orcid.org/000000021632606X</orcidid><orcidid>https://orcid.org/0000000251507309</orcidid><orcidid>https://orcid.org/0000000273937449</orcidid><orcidid>https://orcid.org/0000000257423034</orcidid><orcidid>https://orcid.org/0000000242576409</orcidid><orcidid>https://orcid.org/0000000215341508</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Physics of plasmas, 2023-04, Vol.30 (4) |
| issn | 1070-664X 1089-7674 |
| language | eng |
| recordid | cdi_osti_scitechconnect_1968906 |
| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Density Laser beams Magnetohydrodynamic stability Plasma physics Raman spectra |
| title | Effect of overlapping laser beams and density scale length in laser-plasma instability experiments on OMEGA EP |
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