Effect of a Femtosecond-Scale Temporal Structure of a Laser Driver on Generation of Betatron Radiation by Wakefield Accelerated Electrons
The brightness of betatron radiation generated by laser wakefield accelerated electrons can be increased by utilizing the laser driver with shorter duration at the same energy. Such shortening is possible by pulse compression after its nonlinear self-phase modulation in a thin plate. However, this m...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-01-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/10/2/108 |
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| author | Andrey D. Sladkov Artem V. Korzhimanov |
| author_facet | Andrey D. Sladkov Artem V. Korzhimanov |
| author_sort | Andrey D. Sladkov |
| collection | DOAJ |
| description | The brightness of betatron radiation generated by laser wakefield accelerated electrons can be increased by utilizing the laser driver with shorter duration at the same energy. Such shortening is possible by pulse compression after its nonlinear self-phase modulation in a thin plate. However, this method can lead to a rather complex femtosecond-scale time structure of the pulse. In this work, the results of numerical simulations show that the presence of prepulses containing a few percent of the main pulse energy can significantly alter the acceleration process and lead to either lower or higher energies of accelerated electrons and generated photons, depending on the prepulse parameters. Simultaneously, the presence of a pedestal inhibits the acceleration process lowering the brightness of the betatron source. Furthermore, postpulses following the main pulse are not found to have a significant effect on betatron radiation. |
| first_indexed | 2024-03-11T08:16:21Z |
| format | Article |
| id | doaj.art-f1312b33de6a4535877f0f9ab34f1bf3 |
| institution | Directory Open Access Journal |
| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-11T08:16:21Z |
| publishDate | 2023-01-01 |
| publisher | MDPI AG |
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| series | Photonics |
| spelling | doaj.art-f1312b33de6a4535877f0f9ab34f1bf32023-11-16T22:44:31ZengMDPI AGPhotonics2304-67322023-01-0110210810.3390/photonics10020108Effect of a Femtosecond-Scale Temporal Structure of a Laser Driver on Generation of Betatron Radiation by Wakefield Accelerated ElectronsAndrey D. Sladkov0Artem V. Korzhimanov1Institute of Applied Physics of the Russian Academy of Sciences, 603950 Nizhny Novgorod, RussiaInstitute of Applied Physics of the Russian Academy of Sciences, 603950 Nizhny Novgorod, RussiaThe brightness of betatron radiation generated by laser wakefield accelerated electrons can be increased by utilizing the laser driver with shorter duration at the same energy. Such shortening is possible by pulse compression after its nonlinear self-phase modulation in a thin plate. However, this method can lead to a rather complex femtosecond-scale time structure of the pulse. In this work, the results of numerical simulations show that the presence of prepulses containing a few percent of the main pulse energy can significantly alter the acceleration process and lead to either lower or higher energies of accelerated electrons and generated photons, depending on the prepulse parameters. Simultaneously, the presence of a pedestal inhibits the acceleration process lowering the brightness of the betatron source. Furthermore, postpulses following the main pulse are not found to have a significant effect on betatron radiation.https://www.mdpi.com/2304-6732/10/2/108laser plasma interactionwakefield electron accelerationbetatron radiationX-ray sourcefemtosecond pulsethin plate compression |
| spellingShingle | Andrey D. Sladkov Artem V. Korzhimanov Effect of a Femtosecond-Scale Temporal Structure of a Laser Driver on Generation of Betatron Radiation by Wakefield Accelerated Electrons Photonics laser plasma interaction wakefield electron acceleration betatron radiation X-ray source femtosecond pulse thin plate compression |
| title | Effect of a Femtosecond-Scale Temporal Structure of a Laser Driver on Generation of Betatron Radiation by Wakefield Accelerated Electrons |
| title_full | Effect of a Femtosecond-Scale Temporal Structure of a Laser Driver on Generation of Betatron Radiation by Wakefield Accelerated Electrons |
| title_fullStr | Effect of a Femtosecond-Scale Temporal Structure of a Laser Driver on Generation of Betatron Radiation by Wakefield Accelerated Electrons |
| title_full_unstemmed | Effect of a Femtosecond-Scale Temporal Structure of a Laser Driver on Generation of Betatron Radiation by Wakefield Accelerated Electrons |
| title_short | Effect of a Femtosecond-Scale Temporal Structure of a Laser Driver on Generation of Betatron Radiation by Wakefield Accelerated Electrons |
| title_sort | effect of a femtosecond scale temporal structure of a laser driver on generation of betatron radiation by wakefield accelerated electrons |
| topic | laser plasma interaction wakefield electron acceleration betatron radiation X-ray source femtosecond pulse thin plate compression |
| url | https://www.mdpi.com/2304-6732/10/2/108 |
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