Zobrazeno 1 - 10
of 306
pro vyhledávání: '"Picksley A"'
Autor:
Li, R., Picksley, A., Benedetti, C., Filippi, F., Stackhouse, J., Fan-Chiang, L., Tsai, H. E., Nakamura, K., Schroeder, C. B., van Tilborg, J., Esarey, E., Geddes, C. G. R., Gonsalves, A. J.
Modern laser plasma accelerators (LPAs) often require meter-scale plasma waveguides to propagate a high-intensity drive laser pulse. Tapering the longitudinal gas density profile in meter-scale gas jets could allow for single stage laser plasma accel
Externí odkaz:
http://arxiv.org/abs/2411.17028
Autor:
Terzani, Davide, Kisyov, Stanimir, Greenberg, Stephen, Pottier, Luc Le, Mironova, Maria, Picksley, Alex, Stackhouse, Joshua, Tsai, Hai-En, Li, Raymond, Rockafellow, Ela, Heim, Timon, Garcia-Sciveres, Maurice, Benedetti, Carlo, Valentine, John, Milchberg, Howard, Nakamura, Kei, Gonsalves, Anthony J., van Tilborg, Jeroen, Schroeder, Carl B., Esarey, Eric, Geddes, Cameron G. R.
We present the detection of directional muon beams produced using a PW laser at the Lawrence Berkeley National Laboratory. The muon source is a multi-GeV electron beam generated in a 30 cm laser plasma accelerator interacting with a high-Z converter
Externí odkaz:
http://arxiv.org/abs/2411.02321
Autor:
Picksley, A., Stackhouse, J., Benedetti, C., Nakamura, K., Tsai, H. E., Li, R., Miao, B., Shrock, J. E., Rockafellow, E., Milchberg, H. M., Schroeder, C. B., van Tilborg, J., Esarey, E., Geddes, C. G. R., Gonsalves, A. J.
We measure the high intensity laser propagation throughout meter-scale, channel-guided LPAs by adjusting the length of the plasma channel on a shot-by-shot basis, showing high quality guiding of 500 TW laser pulses over 30 cm in a hydrogen plasma of
Externí odkaz:
http://arxiv.org/abs/2408.00740
Autor:
Ross, Aimee J., Chappell, James, van de Wetering, Johannes J., Cowley, James, Archer, Emily, Bourgeois, Nicolas, Corner, Laura, Emerson, David R., Feder, Linus, Gu, Xiao J., Jakobsson, Oscar, Jones, Harry, Picksley, Alexander, Reid, Linus, Wang, Wei-Ting, Walczak, Roman, Hooker, Simon M.
Publikováno v:
Physical Review Research vol. 6, L022001 (2024)
We demonstrate resonant excitation of a plasma wave by a train of short laser pulses guided in a pre-formed plasma channel, for parameters relevant to a plasma-modulated plasma accelerator (P-MoPA). We show experimentally that a train of $N \approx 1
Externí odkaz:
http://arxiv.org/abs/2310.05097
Guided mode evolution and ionization injection in meter-scale multi-GeV laser wakefield accelerators
Autor:
Shrock, J. E., Rockafellow, E., Miao, B., Le, M., Hollinger, R. C., Wang, S., Gonsalves, A. J., Picksley, A., Rocca, J. J., Milchberg, H. M.
We show that laser wakefield electron accelerators in meter-scale, low density hydrodynamic plasma waveguides operate in a new nonlinear propagation regime where sustained beating of lowest order modes of the ponderomotively modified channel plays a
Externí odkaz:
http://arxiv.org/abs/2309.09930
Autor:
Picksley, A., Chappell, J., Archer, E., Bourgeois, N., Cowley, J., Emerson, D. R., Feder, L., Gu, X. J., Jakobsson, O., Ross, A. J., Wang, W., Walczak, R., Hooker, S. M.
We describe a simple scheme, truncated-channel injection, to inject electrons directly into the wakefield driven by a drive pulse guided by an all-optical plasma channel. We use this approach to generate dark-current-free 1.2 GeV, 4.5 % relative ener
Externí odkaz:
http://arxiv.org/abs/2307.13689
Autor:
Jonnerby, J., von Boetticher, A., Holloway, J., Corner, L., Picksley, A., Ross, A. J., Shalloo, R. J., Thornton, C., Bourgeois, N., Walczak, R., Hooker, S. M.
We present the first measurements of the temporal decay rate of one-dimensional, linear Langmuir waves excited by an ultra-short laser pulse. Langmuir waves with relative amplitudes of approximately $6\%$ were driven by $1.7$ J, $50$ fs laser pulses
Externí odkaz:
http://arxiv.org/abs/2306.06438
Autor:
Miao, B., Shrock, J. E., Feder, L., Hollinger, R. C., Morrison, J., Nedbailo, R., Picksley, A., Song, H., Wang, S., Rocca, J. J., Milchberg, H. M.
We present the first demonstration of multi-GeV laser wakefield acceleration in a fully optically formed plasma waveguide, with an acceleration gradient as high as 25 GeV/m. The guide was formed via self-waveguiding of <15 J, 45 fs (<~300 TW) pulses
Externí odkaz:
http://arxiv.org/abs/2112.03489
Publikováno v:
Phys. Rev. Accel. Beams 25, 011301 (2022)
We demonstrate experimentally that hydrodynamic optical-field-ionized (HOFI) plasma channels can be generated at kHz-scale pulse repetition rates, in a static gas cell and for an extended period. Using a pump-probe arrangement, we show via transverse
Externí odkaz:
http://arxiv.org/abs/2110.00448
Autor:
A. J. Ross, J. Chappell, J. J. van de Wetering, J. Cowley, E. Archer, N. Bourgeois, L. Corner, D. R. Emerson, L. Feder, X. J. Gu, O. Jakobsson, H. Jones, A. Picksley, L. Reid, W. Wang, R. Walczak, S. M. Hooker
Publikováno v:
Physical Review Research, Vol 6, Iss 2, p L022001 (2024)
We demonstrate resonant excitation of a plasma wave by a train of short laser pulses guided in a preformed plasma channel, for parameters relevant to a plasma-modulated plasma accelerator (P-MoPA). We show experimentally that a train of N≈10 short
Externí odkaz:
https://doaj.org/article/c2ed5c8394214900920c9e604e5c33cc
