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Demonstration of relativistic electron beam focusing by a laser-plasma lens.

ABSTRACT: Laser-plasma technology promises a drastic reduction of the size of high-energy electron accelerators. It could make free-electron lasers available to a broad scientific community and push further the limits of electron accelerators for high-energy physics. Furthermore, the unique femtosecond nature of the source makes it a promising tool for the study of ultrafast phenomena. However, applications are hindered by the lack of suitable lens to transport this kind of high-current electron beams mainly due to their divergence. Here we show that this issue can be solved by using a laser-plasma lens in which the field gradients are five order of magnitude larger than in conventional optics. We demonstrate a reduction of the divergence by nearly a factor of three, which should allow for an efficient coupling of the beam with a conventional beam transport line.

SUBMITTER: Thaury C

PROVIDER: S-EPMC4410646 | biostudies-literature | 2015 Apr

REPOSITORIES: biostudies-literature

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Demonstration of relativistic electron beam focusing by a laser-plasma lens.

Thaury C C Guillaume E E Döpp A A Lehe R R Lifschitz A A Ta Phuoc K K Gautier J J Goddet J-P JP Tafzi A A Flacco A A Tissandier F F Sebban S S Rousse A A Malka V V

Nature communications 20150416

Laser-plasma technology promises a drastic reduction of the size of high-energy electron accelerators. It could make free-electron lasers available to a broad scientific community and push further the limits of electron accelerators for high-energy physics. Furthermore, the unique femtosecond nature of the source makes it a promising tool for the study of ultrafast phenomena. However, applications are hindered by the lack of suitable lens to transport this kind of high-current electron beams mai ...[more]

PMID: 25880791

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