Low-density hydrodynamic optical-field-ionized plasma channels generated with an axicon lens

R. J. Shalloo; C. Arran; A. Picksley; A. Von Boetticher; L. Corner; J. Holloway; G. Hine; J. Jonnerby; H. M. Milchberg; C. Thornton; R. Walczak; S. M. Hooker

doi:10.1103/PhysRevAccelBeams.22.041302

Low-density hydrodynamic optical-field-ionized plasma channels generated with an axicon lens

R. J. Shalloo, C. Arran, A. Picksley, A. Von Boetticher, L. Corner, J. Holloway, G. Hine, J. Jonnerby, H. M. Milchberg, C. Thornton, R. Walczak, S. M. Hooker

Superconducting Linac Systems

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39 Scopus citations

Abstract

We demonstrate optical guiding of high-intensity laser pulses in long, low-density hydrodynamic optical-field-ionized (HOFI) plasma channels. An axicon lens is used to generate HOFI plasma channels with on-axis electron densities as low as ne(0)=1.5×1017 cm-3 and matched spot sizes in the range 20 μ40 μm. Control of these channel parameters via adjustment of the initial cell pressure and the delay after the arrival of the channel-forming pulse is demonstrated. For laser pulses with a peak axial intensity of 4×1017 W cm-2, highly reproducible, high-quality guiding over more than 14 Rayleigh ranges is achieved at a pulse repetition rate of 5 Hz, limited by the available channel-forming laser and vacuum pumping system. Plasma channels of this type would seem to be well suited to multi-GeV laser wakefield accelerators operating in the quasilinear regime.

Original language	English
Article number	041302
Journal	Physical Review Accelerators and Beams
Volume	22
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevAccelBeams.22.041302
State	Published - Apr 10 2019

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© 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the »https://creativecommons.org/licenses/by/4.0/» Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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Shalloo, R. J., Arran, C., Picksley, A., Von Boetticher, A., Corner, L., Holloway, J., Hine, G., Jonnerby, J., Milchberg, H. M., Thornton, C., Walczak, R., & Hooker, S. M. (2019). Low-density hydrodynamic optical-field-ionized plasma channels generated with an axicon lens. Physical Review Accelerators and Beams, 22(4), Article 041302. https://doi.org/10.1103/PhysRevAccelBeams.22.041302

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abstract = "We demonstrate optical guiding of high-intensity laser pulses in long, low-density hydrodynamic optical-field-ionized (HOFI) plasma channels. An axicon lens is used to generate HOFI plasma channels with on-axis electron densities as low as ne(0)=1.5×1017 cm-3 and matched spot sizes in the range 20 μ40 μm. Control of these channel parameters via adjustment of the initial cell pressure and the delay after the arrival of the channel-forming pulse is demonstrated. For laser pulses with a peak axial intensity of 4×1017 W cm-2, highly reproducible, high-quality guiding over more than 14 Rayleigh ranges is achieved at a pulse repetition rate of 5 Hz, limited by the available channel-forming laser and vacuum pumping system. Plasma channels of this type would seem to be well suited to multi-GeV laser wakefield accelerators operating in the quasilinear regime.",

author = "Shalloo, {R. J.} and C. Arran and A. Picksley and {Von Boetticher}, A. and L. Corner and J. Holloway and G. Hine and J. Jonnerby and Milchberg, {H. M.} and C. Thornton and R. Walczak and Hooker, {S. M.}",

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Shalloo, RJ, Arran, C, Picksley, A, Von Boetticher, A, Corner, L, Holloway, J, Hine, G, Jonnerby, J, Milchberg, HM, Thornton, C, Walczak, R & Hooker, SM 2019, 'Low-density hydrodynamic optical-field-ionized plasma channels generated with an axicon lens', Physical Review Accelerators and Beams, vol. 22, no. 4, 041302. https://doi.org/10.1103/PhysRevAccelBeams.22.041302

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AU - Arran, C.

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AU - Von Boetticher, A.

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AU - Holloway, J.

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AU - Jonnerby, J.

AU - Milchberg, H. M.

AU - Thornton, C.

AU - Walczak, R.

AU - Hooker, S. M.

N1 - Publisher Copyright: © 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the »https://creativecommons.org/licenses/by/4.0/» Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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Y1 - 2019/4/10

N2 - We demonstrate optical guiding of high-intensity laser pulses in long, low-density hydrodynamic optical-field-ionized (HOFI) plasma channels. An axicon lens is used to generate HOFI plasma channels with on-axis electron densities as low as ne(0)=1.5×1017 cm-3 and matched spot sizes in the range 20 μ40 μm. Control of these channel parameters via adjustment of the initial cell pressure and the delay after the arrival of the channel-forming pulse is demonstrated. For laser pulses with a peak axial intensity of 4×1017 W cm-2, highly reproducible, high-quality guiding over more than 14 Rayleigh ranges is achieved at a pulse repetition rate of 5 Hz, limited by the available channel-forming laser and vacuum pumping system. Plasma channels of this type would seem to be well suited to multi-GeV laser wakefield accelerators operating in the quasilinear regime.

AB - We demonstrate optical guiding of high-intensity laser pulses in long, low-density hydrodynamic optical-field-ionized (HOFI) plasma channels. An axicon lens is used to generate HOFI plasma channels with on-axis electron densities as low as ne(0)=1.5×1017 cm-3 and matched spot sizes in the range 20 μ40 μm. Control of these channel parameters via adjustment of the initial cell pressure and the delay after the arrival of the channel-forming pulse is demonstrated. For laser pulses with a peak axial intensity of 4×1017 W cm-2, highly reproducible, high-quality guiding over more than 14 Rayleigh ranges is achieved at a pulse repetition rate of 5 Hz, limited by the available channel-forming laser and vacuum pumping system. Plasma channels of this type would seem to be well suited to multi-GeV laser wakefield accelerators operating in the quasilinear regime.

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Low-density hydrodynamic optical-field-ionized plasma channels generated with an axicon lens

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