Resonant excitation of plasma waves in a plasma channel
We demonstrate resonant excitation of a plasma wave by a train of short laser pulses guided in a preformed plasma channel, for parameters relevant to a plasma-modulated plasma accelerator (P-MoPA). We show experimentally that a train of N≈10 short pulses, of total energy ∼1J, can be guided through 1...
| Main Authors: | , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
American Physical Society
2024
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| _version_ | 1811140397442793472 |
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| author | Ross, AJ Chappell, J van de Wetering, JJ Cowley, J Archer, E Bourgeois, N Corner, L Emerson, DR Feder, L Gu, XJ Jakobsson, O Jones, H Picksley, A Reid, L Wang, W Walczak, R Hooker, SM |
| author_facet | Ross, AJ Chappell, J van de Wetering, JJ Cowley, J Archer, E Bourgeois, N Corner, L Emerson, DR Feder, L Gu, XJ Jakobsson, O Jones, H Picksley, A Reid, L Wang, W Walczak, R Hooker, SM |
| author_sort | Ross, AJ |
| collection | OXFORD |
| description | We demonstrate resonant excitation of a plasma wave by a train of short laser pulses guided in a preformed plasma channel, for parameters relevant to a plasma-modulated plasma accelerator (P-MoPA). We show experimentally that a train of N≈10 short pulses, of total energy ∼1J, can be guided through 110mm long plasma channels with on-axis densities in the range 1017-1018cm-3. The spectrum of the transmitted train is found to be strongly red shifted when the plasma period is tuned to the intratrain pulse spacing. Numerical simulations are found to be in excellent agreement with the measurements and indicate that the resonantly excited plasma waves have an amplitude in the range 3-10GVm-1, corresponding to an accelerator stage energy gain of order 1GeV. |
| first_indexed | 2024-09-25T04:21:20Z |
| format | Journal article |
| id | oxford-uuid:f11d11b5-e798-4cca-9945-b94f82add7ee |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-09-25T04:21:20Z |
| publishDate | 2024 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | oxford-uuid:f11d11b5-e798-4cca-9945-b94f82add7ee2024-08-01T14:54:22ZResonant excitation of plasma waves in a plasma channelJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:f11d11b5-e798-4cca-9945-b94f82add7eeEnglishSymplectic ElementsAmerican Physical Society2024Ross, AJChappell, Jvan de Wetering, JJCowley, JArcher, EBourgeois, NCorner, LEmerson, DRFeder, LGu, XJJakobsson, OJones, HPicksley, AReid, LWang, WWalczak, RHooker, SMWe demonstrate resonant excitation of a plasma wave by a train of short laser pulses guided in a preformed plasma channel, for parameters relevant to a plasma-modulated plasma accelerator (P-MoPA). We show experimentally that a train of N≈10 short pulses, of total energy ∼1J, can be guided through 110mm long plasma channels with on-axis densities in the range 1017-1018cm-3. The spectrum of the transmitted train is found to be strongly red shifted when the plasma period is tuned to the intratrain pulse spacing. Numerical simulations are found to be in excellent agreement with the measurements and indicate that the resonantly excited plasma waves have an amplitude in the range 3-10GVm-1, corresponding to an accelerator stage energy gain of order 1GeV. |
| spellingShingle | Ross, AJ Chappell, J van de Wetering, JJ Cowley, J Archer, E Bourgeois, N Corner, L Emerson, DR Feder, L Gu, XJ Jakobsson, O Jones, H Picksley, A Reid, L Wang, W Walczak, R Hooker, SM Resonant excitation of plasma waves in a plasma channel |
| title | Resonant excitation of plasma waves in a plasma channel |
| title_full | Resonant excitation of plasma waves in a plasma channel |
| title_fullStr | Resonant excitation of plasma waves in a plasma channel |
| title_full_unstemmed | Resonant excitation of plasma waves in a plasma channel |
| title_short | Resonant excitation of plasma waves in a plasma channel |
| title_sort | resonant excitation of plasma waves in a plasma channel |
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