Super-Heavy Ions Acceleration Driven by Ultrashort Laser Pulses at Ultrahigh Intensity
The acceleration of super-heavy ions (SHIs, mass number of about 200) from plasmas driven by ultrashort (tens of femtoseconds) laser pulses is a challenging topic awaiting a breakthrough. Detecting and controlling the ionization process and adopting the optimal acceleration scheme are crucial for th...
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2021
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oai:doaj.org-article:c20555813b324ec3946cb1d04b24a6702021-12-02T18:04:26ZSuper-Heavy Ions Acceleration Driven by Ultrashort Laser Pulses at Ultrahigh Intensity10.1103/PhysRevX.11.0210492160-3308https://doaj.org/article/c20555813b324ec3946cb1d04b24a6702021-06-01T00:00:00Zhttp://doi.org/10.1103/PhysRevX.11.021049http://doi.org/10.1103/PhysRevX.11.021049https://doaj.org/toc/2160-3308The acceleration of super-heavy ions (SHIs, mass number of about 200) from plasmas driven by ultrashort (tens of femtoseconds) laser pulses is a challenging topic awaiting a breakthrough. Detecting and controlling the ionization process and adopting the optimal acceleration scheme are crucial for the generation of highly energetic SHIs. Here, we report the experimental results on the generation of deeply ionized super-heavy ions (Au) with unprecedented energy of 1.2 GeV utilizing ultrathin targets and ultrashort laser pulses at an intensity of 10^{22} W/cm^{2}. A novel self-calibrated diagnostic method was developed to acquire the absolute energy spectra and charge-state distributions of Au ions abundant at the charge state of 51+ and extending to 61+. The measured charge-state distributions supported by 2D particle-in-cell simulations serve as an additional tool to inspect the ionization dynamics associated with SHI acceleration, revealing that the laser intensity is the crucial parameter over the pulse duration for Au acceleration. Achieving a long acceleration time without sacrificing the strength of the acceleration field by utilizing composite targets can substantially increase the maximum energy of Au ions.Pengjie WangZheng GongSeong Geun LeeYinren ShouYixing GengCheonha JeonI Jong KimHwang Woon LeeJin Woo YoonJae Hee SungSeong Ku LeeDefeng KongJianbo LiuZhusong MeiZhengxuan CaoZhuo PanIl Woo ChoiXueqing YanChang Hee NamWenjun MaAmerican Physical SocietyarticlePhysicsQC1-999ENPhysical Review X, Vol 11, Iss 2, p 021049 (2021) |
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Physics QC1-999 Pengjie Wang Zheng Gong Seong Geun Lee Yinren Shou Yixing Geng Cheonha Jeon I Jong Kim Hwang Woon Lee Jin Woo Yoon Jae Hee Sung Seong Ku Lee Defeng Kong Jianbo Liu Zhusong Mei Zhengxuan Cao Zhuo Pan Il Woo Choi Xueqing Yan Chang Hee Nam Wenjun Ma Super-Heavy Ions Acceleration Driven by Ultrashort Laser Pulses at Ultrahigh Intensity |
| description |
The acceleration of super-heavy ions (SHIs, mass number of about 200) from plasmas driven by ultrashort (tens of femtoseconds) laser pulses is a challenging topic awaiting a breakthrough. Detecting and controlling the ionization process and adopting the optimal acceleration scheme are crucial for the generation of highly energetic SHIs. Here, we report the experimental results on the generation of deeply ionized super-heavy ions (Au) with unprecedented energy of 1.2 GeV utilizing ultrathin targets and ultrashort laser pulses at an intensity of 10^{22} W/cm^{2}. A novel self-calibrated diagnostic method was developed to acquire the absolute energy spectra and charge-state distributions of Au ions abundant at the charge state of 51+ and extending to 61+. The measured charge-state distributions supported by 2D particle-in-cell simulations serve as an additional tool to inspect the ionization dynamics associated with SHI acceleration, revealing that the laser intensity is the crucial parameter over the pulse duration for Au acceleration. Achieving a long acceleration time without sacrificing the strength of the acceleration field by utilizing composite targets can substantially increase the maximum energy of Au ions. |
| format |
article |
| author |
Pengjie Wang Zheng Gong Seong Geun Lee Yinren Shou Yixing Geng Cheonha Jeon I Jong Kim Hwang Woon Lee Jin Woo Yoon Jae Hee Sung Seong Ku Lee Defeng Kong Jianbo Liu Zhusong Mei Zhengxuan Cao Zhuo Pan Il Woo Choi Xueqing Yan Chang Hee Nam Wenjun Ma |
| author_facet |
Pengjie Wang Zheng Gong Seong Geun Lee Yinren Shou Yixing Geng Cheonha Jeon I Jong Kim Hwang Woon Lee Jin Woo Yoon Jae Hee Sung Seong Ku Lee Defeng Kong Jianbo Liu Zhusong Mei Zhengxuan Cao Zhuo Pan Il Woo Choi Xueqing Yan Chang Hee Nam Wenjun Ma |
| author_sort |
Pengjie Wang |
| title |
Super-Heavy Ions Acceleration Driven by Ultrashort Laser Pulses at Ultrahigh Intensity |
| title_short |
Super-Heavy Ions Acceleration Driven by Ultrashort Laser Pulses at Ultrahigh Intensity |
| title_full |
Super-Heavy Ions Acceleration Driven by Ultrashort Laser Pulses at Ultrahigh Intensity |
| title_fullStr |
Super-Heavy Ions Acceleration Driven by Ultrashort Laser Pulses at Ultrahigh Intensity |
| title_full_unstemmed |
Super-Heavy Ions Acceleration Driven by Ultrashort Laser Pulses at Ultrahigh Intensity |
| title_sort |
super-heavy ions acceleration driven by ultrashort laser pulses at ultrahigh intensity |
| publisher |
American Physical Society |
| publishDate |
2021 |
| url |
https://doaj.org/article/c20555813b324ec3946cb1d04b24a670 |
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