Tri-stage quasimonoenergetic proton acceleration from a multi-species thick target
We show that quasimonoenergetic proton beams can be generated through a multi-ion thick target irradiated by a circularly polarized laser pulse. After disrupted by the transverse instabilities in the laser pressure acceleration process, heavy ions as majority species can still provide a co-moving el...
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| Veröffentlicht in: | Physics of plasmas 2018-07, Vol.25 (7) |
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| container_title | Physics of plasmas |
| container_volume | 25 |
| creator | Wan, Y. Pai, C.-H. Hua, J. F. Wu, Y. P. Lu, W. Li, F. Zhang, C. J. Xu, X. L. Joshi, C. Mori, W. B. |
| description | We show that quasimonoenergetic proton beams can be generated through a multi-ion thick target irradiated by a circularly polarized laser pulse. After disrupted by the transverse instabilities in the laser pressure acceleration process, heavy ions as majority species can still provide a co-moving electric field. Different from the dynamics using ultrathin foil, protons with small doped rates can experience a full tri-stage quasimonoenergetic acceleration (hole boring, sheath boosting, and free expansion stages) in this scenario. A theoretical model is developed to explain the proton energy evolution in detail and verified by two-dimensional particle-in-cell simulations. The scaling of proton energy with laser intensity indicates that the 200 MeV proton beam with narrow energy spread (3%–10%) and sufficiently large charges (1010–1011) required for medical applications can be obtained using 100s TW class laser systems in near future. |
| doi_str_mv | 10.1063/1.5029556 |
| format | Article |
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F. ; Wu, Y. P. ; Lu, W. ; Li, F. ; Zhang, C. J. ; Xu, X. L. ; Joshi, C. ; Mori, W. B.</creator><creatorcontrib>Wan, Y. ; Pai, C.-H. ; Hua, J. F. ; Wu, Y. P. ; Lu, W. ; Li, F. ; Zhang, C. J. ; Xu, X. L. ; Joshi, C. ; Mori, W. B. ; SLAC National Accelerator Lab., Menlo Park, CA (United States)</creatorcontrib><description>We show that quasimonoenergetic proton beams can be generated through a multi-ion thick target irradiated by a circularly polarized laser pulse. After disrupted by the transverse instabilities in the laser pressure acceleration process, heavy ions as majority species can still provide a co-moving electric field. Different from the dynamics using ultrathin foil, protons with small doped rates can experience a full tri-stage quasimonoenergetic acceleration (hole boring, sheath boosting, and free expansion stages) in this scenario. A theoretical model is developed to explain the proton energy evolution in detail and verified by two-dimensional particle-in-cell simulations. The scaling of proton energy with laser intensity indicates that the 200 MeV proton beam with narrow energy spread (3%–10%) and sufficiently large charges (1010–1011) required for medical applications can be obtained using 100s TW class laser systems in near future.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/1.5029556</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; Acceleration ; Boring ; Computer simulation ; Foils ; Heavy ions ; Ion beams ; Laser beams ; Lasers ; Particle in cell technique ; Plasma physics ; Proton beams ; Proton energy ; Sheaths</subject><ispartof>Physics of plasmas, 2018-07, Vol.25 (7)</ispartof><rights>Author(s)</rights><rights>2018 Author(s). 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The scaling of proton energy with laser intensity indicates that the 200 MeV proton beam with narrow energy spread (3%–10%) and sufficiently large charges (1010–1011) required for medical applications can be obtained using 100s TW class laser systems in near future.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>Acceleration</subject><subject>Boring</subject><subject>Computer simulation</subject><subject>Foils</subject><subject>Heavy ions</subject><subject>Ion beams</subject><subject>Laser beams</subject><subject>Lasers</subject><subject>Particle in cell technique</subject><subject>Plasma physics</subject><subject>Proton beams</subject><subject>Proton energy</subject><subject>Sheaths</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqd0E1LwzAYB_AiCs7pwW9Q9KTQmTQvTY8yfIOBIBO8hSx9smWuTZekgt_e1g68e0oCv-cl_yS5xGiGESd3eMZQXjLGj5IJRqLMCl7Q4-FeoIxz-nGanIWwRQhRzsQkeVt6m4Wo1pDuOxVs7RoHDfg1RKvT1rvomlRpDTvwKtr-YbyrU5XW3S72lS1oCyGNG6s_06iGuvPkxKhdgIvDOU3eHx-W8-ds8fr0Mr9fZJqIMmZGGMKopqosQTAB3FBdVVRRinK6EoIpkhtaYsErTHjO1KpaMQRAEDEGE0qmydXY14VoZdA2gt5o1zSgo8SUC16iHl2PqP_KvoMQ5dZ1vun3kjkSBSdEENKrm1Fp70LwYGTrba38t8RIDrlKLA-59vZ2tMPE30j-h7-c_4OyrQz5AW8-hkU</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Wan, Y.</creator><creator>Pai, C.-H.</creator><creator>Hua, J. 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P.</creatorcontrib><creatorcontrib>Lu, W.</creatorcontrib><creatorcontrib>Li, F.</creatorcontrib><creatorcontrib>Zhang, C. J.</creatorcontrib><creatorcontrib>Xu, X. L.</creatorcontrib><creatorcontrib>Joshi, C.</creatorcontrib><creatorcontrib>Mori, W. B.</creatorcontrib><creatorcontrib>SLAC National Accelerator Lab., Menlo Park, CA (United States)</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wan, Y.</au><au>Pai, C.-H.</au><au>Hua, J. F.</au><au>Wu, Y. P.</au><au>Lu, W.</au><au>Li, F.</au><au>Zhang, C. J.</au><au>Xu, X. L.</au><au>Joshi, C.</au><au>Mori, W. B.</au><aucorp>SLAC National Accelerator Lab., Menlo Park, CA (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tri-stage quasimonoenergetic proton acceleration from a multi-species thick target</atitle><jtitle>Physics of plasmas</jtitle><date>2018-07-01</date><risdate>2018</risdate><volume>25</volume><issue>7</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>We show that quasimonoenergetic proton beams can be generated through a multi-ion thick target irradiated by a circularly polarized laser pulse. After disrupted by the transverse instabilities in the laser pressure acceleration process, heavy ions as majority species can still provide a co-moving electric field. Different from the dynamics using ultrathin foil, protons with small doped rates can experience a full tri-stage quasimonoenergetic acceleration (hole boring, sheath boosting, and free expansion stages) in this scenario. A theoretical model is developed to explain the proton energy evolution in detail and verified by two-dimensional particle-in-cell simulations. The scaling of proton energy with laser intensity indicates that the 200 MeV proton beam with narrow energy spread (3%–10%) and sufficiently large charges (1010–1011) required for medical applications can be obtained using 100s TW class laser systems in near future.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5029556</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-6089-3718</orcidid><orcidid>https://orcid.org/0000000160893718</orcidid><oa>free_for_read</oa></addata></record> |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY Acceleration Boring Computer simulation Foils Heavy ions Ion beams Laser beams Lasers Particle in cell technique Plasma physics Proton beams Proton energy Sheaths |
| title | Tri-stage quasimonoenergetic proton acceleration from a multi-species thick target |
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