Tunable synchrotron-like radiation from centimeter scale plasma channels

Light, Science & Applications
Min ChenJie Zhang

Abstract

Synchrotron radiation (SR) sources are immensely useful tools for scientific researches and many practical applications. Currently, the state-of-the-art synchrotrons rely on conventional accelerators, where electrons are accelerated in a straight line and radiate in bending magnets or other insertion devices. However, these facilities are usually large and costly. Here, we study a compact all optical synchrotron-like radiation source based on laser-plasma acceleration either in a straight or a curved plasma channel. With the laser pulse off-axially injected, its centroid oscillates transversely in the plasma channel. This results in a wiggler motion of the whole accelerating structure and the self-trapped electrons behind the laser pulse, leading to strong synchrotron-like radiations with tunable spectra. It is further shown that a palmtop ring-shaped synchrotron is possible with current high power laser technologies. With its potential of high flexibility and tunability, such light sources once realized would find applications in wide areas and make up the shortage of large SR facilities.

References

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Citations

Mar 29, 2020·Light, Science & Applications·Xing-Long ZhuJie Zhang
May 6, 2019·Scientific Reports·James ArcherMichael Lerch
Apr 2, 2016·Physical Review Letters·Longqing YiBaifei Shen
Dec 6, 2017·Scientific Reports·J W WangS G Rykovanov
Oct 1, 2017·Scientific Reports·James ArcherMichael Lerch
Apr 26, 2018·Physical Review Letters·Bifeng LeiSergey Rykovanov
Mar 21, 2021·Light, Science & Applications·Xing-Long ZhuJie Zhang

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Software Mentioned

PIC
VDSR
OSIRIS
VLPL

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