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On electron betatron motion and electron injection in laser wakefield accelerators

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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On electron betatron motion and electron injection in laser wakefield accelerators. / Matsuoka, T.; McGuffey, C.; Cummings, P. G. et al.
In: Plasma Physics and Controlled Fusion, Vol. 56, No. 8, 084009, 08.2014.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Matsuoka, T, McGuffey, C, Cummings, PG, Bulanov, SS, Chvykov, V, Dollar, F, Horovitz, Y, Kalintchenko, G, Krushelnick, K, Rousseau, P, Thomas, AGR, Yanovsky, V & Maksimchuk, A 2014, 'On electron betatron motion and electron injection in laser wakefield accelerators', Plasma Physics and Controlled Fusion, vol. 56, no. 8, 084009. https://doi.org/10.1088/0741-3335/56/8/084009

APA

Matsuoka, T., McGuffey, C., Cummings, P. G., Bulanov, S. S., Chvykov, V., Dollar, F., Horovitz, Y., Kalintchenko, G., Krushelnick, K., Rousseau, P., Thomas, A. G. R., Yanovsky, V., & Maksimchuk, A. (2014). On electron betatron motion and electron injection in laser wakefield accelerators. Plasma Physics and Controlled Fusion, 56(8), Article 084009. https://doi.org/10.1088/0741-3335/56/8/084009

Vancouver

Matsuoka T, McGuffey C, Cummings PG, Bulanov SS, Chvykov V, Dollar F et al. On electron betatron motion and electron injection in laser wakefield accelerators. Plasma Physics and Controlled Fusion. 2014 Aug;56(8):084009. Epub 2014 Jul 22. doi: 10.1088/0741-3335/56/8/084009

Author

Matsuoka, T. ; McGuffey, C. ; Cummings, P. G. et al. / On electron betatron motion and electron injection in laser wakefield accelerators. In: Plasma Physics and Controlled Fusion. 2014 ; Vol. 56, No. 8.

Bibtex

@article{91969f37c2d64456afd5de6dc3114902,
title = "On electron betatron motion and electron injection in laser wakefield accelerators",
abstract = "We performed laser wakefield electron acceleration experiments using laser powers up to 100TW in the 'bubble' regime. The measured angularly resolved energy spectra of the electron beam showed evidence of betatron oscillations during the acceleration process. Through diagnosis of these oscillations, electron injection into the wakefield could be controlled through adjustment of the shape of the laser focal spot or through changes in the plasma density. Several different acceleration regimes could be accessed including (i) injection of a single electron bunch into the wakefield 'bubble' (ii) multiple injection of several electron bunches and/or (iii) production of a transverse break up of the electron beam within the 'bubble' due to an asymmetry of the wakefield. We apply analytical formulae for electron motion in a wakefield to understand the experimental data.",
keywords = "laser, plasma, accelerators, wakefield, betatron, BEAMS, GENERATION, INTENSE",
author = "T. Matsuoka and C. McGuffey and Cummings, {P. G.} and Bulanov, {S. S.} and V. Chvykov and F. Dollar and Y. Horovitz and G. Kalintchenko and K. Krushelnick and P. Rousseau and Thomas, {A. G. R.} and V. Yanovsky and A. Maksimchuk",
year = "2014",
month = aug,
doi = "10.1088/0741-3335/56/8/084009",
language = "English",
volume = "56",
journal = "Plasma Physics and Controlled Fusion",
issn = "0741-3335",
publisher = "IOP Publishing Ltd",
number = "8",

}

RIS

TY - JOUR

T1 - On electron betatron motion and electron injection in laser wakefield accelerators

AU - Matsuoka, T.

AU - McGuffey, C.

AU - Cummings, P. G.

AU - Bulanov, S. S.

AU - Chvykov, V.

AU - Dollar, F.

AU - Horovitz, Y.

AU - Kalintchenko, G.

AU - Krushelnick, K.

AU - Rousseau, P.

AU - Thomas, A. G. R.

AU - Yanovsky, V.

AU - Maksimchuk, A.

PY - 2014/8

Y1 - 2014/8

N2 - We performed laser wakefield electron acceleration experiments using laser powers up to 100TW in the 'bubble' regime. The measured angularly resolved energy spectra of the electron beam showed evidence of betatron oscillations during the acceleration process. Through diagnosis of these oscillations, electron injection into the wakefield could be controlled through adjustment of the shape of the laser focal spot or through changes in the plasma density. Several different acceleration regimes could be accessed including (i) injection of a single electron bunch into the wakefield 'bubble' (ii) multiple injection of several electron bunches and/or (iii) production of a transverse break up of the electron beam within the 'bubble' due to an asymmetry of the wakefield. We apply analytical formulae for electron motion in a wakefield to understand the experimental data.

AB - We performed laser wakefield electron acceleration experiments using laser powers up to 100TW in the 'bubble' regime. The measured angularly resolved energy spectra of the electron beam showed evidence of betatron oscillations during the acceleration process. Through diagnosis of these oscillations, electron injection into the wakefield could be controlled through adjustment of the shape of the laser focal spot or through changes in the plasma density. Several different acceleration regimes could be accessed including (i) injection of a single electron bunch into the wakefield 'bubble' (ii) multiple injection of several electron bunches and/or (iii) production of a transverse break up of the electron beam within the 'bubble' due to an asymmetry of the wakefield. We apply analytical formulae for electron motion in a wakefield to understand the experimental data.

KW - laser

KW - plasma

KW - accelerators

KW - wakefield

KW - betatron

KW - BEAMS

KW - GENERATION

KW - INTENSE

U2 - 10.1088/0741-3335/56/8/084009

DO - 10.1088/0741-3335/56/8/084009

M3 - Journal article

VL - 56

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

SN - 0741-3335

IS - 8

M1 - 084009

ER -