Academic Journal
Self-injection threshold in self-guided laser wakefield accelerators
| العنوان: | Self-injection threshold in self-guided laser wakefield accelerators |
|---|---|
| المؤلفون: | S. P. D. Mangles, G. Genoud, M. S. Bloom, M. Burza, Z. Najmudin, A. Persson, K. Svensson, A. G. R. Thomas, C.-G. Wahlström |
| المصدر: | Physical Review Special Topics. Accelerators and Beams, Vol 15, Iss 1, p 011302 (2012) |
| بيانات النشر: | American Physical Society, 2012. |
| سنة النشر: | 2012 |
| المجموعة: | LCC:Nuclear and particle physics. Atomic energy. Radioactivity |
| مصطلحات موضوعية: | Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798 |
| الوصف: | A laser pulse traveling through a plasma can excite large amplitude plasma waves that can be used to accelerate relativistic electron beams in a very short distance—a technique called laser wakefield acceleration. Many wakefield acceleration experiments rely on the process of wave breaking, or self-injection, to inject electrons into the wave, while other injection techniques rely on operation without self-injection. We present an experimental study into the parameters, including the pulse energy, focal spot quality, and pulse power, that determine whether or not a wakefield accelerator will self-inject. By taking into account the processes of self-focusing and pulse compression we are able to extend a previously described theoretical model, where the minimum bubble size k_{p}r_{b} required for trapping is not constant but varies slowly with density and find excellent agreement with this model. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1098-4402 |
| Relation: | https://doaj.org/toc/1098-4402 |
| DOI: | 10.1103/PhysRevSTAB.15.011302 |
| URL الوصول: | https://doaj.org/article/00c578c5fc7a4c2bba6ae57d30082efe |
| رقم الانضمام: | edsdoj.00c578c5fc7a4c2bba6ae57d30082efe |
| قاعدة البيانات: | Directory of Open Access Journals |
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