Zobrazeno 1 - 10
of 396
pro vyhledávání: '"Schaper L."'
Autor:
Lang T., Ahmed A., Alisauskas S., Ferrari E., Grosse-Wortmann U., Hoang N., Kazemi M., Mohr C., Rashtabadi H., Schaper L., Swiderski A., Tavakol H., Zheng J., Hartl I.
Publikováno v:
EPJ Web of Conferences, Vol 307, p 04003 (2024)
We are currently developing a tunable high-repetition rate femtosecond UV laser system for external seeding superconducting soft X-ray Free Electron Laser FLASH. Initial results show excellent power and wavelength stability of the Optical Parametric
Externí odkaz:
https://doaj.org/article/4708956db88f4a33b8bb0fd6e2f624da
Autor:
Lindstrøm, C. A., Beinortaite, J., Svensson, J. Björklund, Boulton, L., Chappell, J., Garland, J. M., Gonzalez, P., Loisch, G., Peña, F., Schaper, L., Schmidt, B., Schröder, S., Wesch, S., Wood, J., Osterhoff, J., D'Arcy, R.
FLASHForward is an experimental facility at DESY dedicated to beam-driven plasma-accelerator research. The X-2 experiment aims to demonstrate acceleration with simultaneous beam-quality preservation and high energy efficiency in a compact plasma stag
Externí odkaz:
http://arxiv.org/abs/2111.08384
Autor:
Sjobak, K. N., Adli, E., Corsini, R., Farabolini, W., Boyle, G., Lindstrøm, C. A., Meisel, M., Osterhoff, J., Röckemann, J. -H., Schaper, L., Dyson, A. E.
Active plasma lenses are compact devices developed as a promising beam-focusing alternative for charged particle beams, capable of short focal lengths for high-energy beams. We have previously shown that linear magnetic fields with gradients of aroun
Externí odkaz:
http://arxiv.org/abs/2012.10680
Autor:
Garland, J. M., Tauscher, G., Bohlen, S., Boyle, G. J., D'Arcy, R., Goldberg, L., Põder, K., Schaper, L., Schmidt, B., Osterhoff, J.
Precise characterization and tailoring of the spatial and temporal evolution of plasma density within plasma sources is critical for realizing high-quality accelerated beams in plasma wakefield accelerators. The simultaneous use of two independent di
Externí odkaz:
http://arxiv.org/abs/2010.02567
Autor:
Schröder, S., Ludwig, K., Aschikhin, A., D'Arcy, R., Dinter, M., Gonzalez, P., Karstensen, S., Knetsch, A., Libov, V., Lindstrøm, C. A., Marutzky, F., Niknejadi, P., Rahali, A., Schaper, L., Schleiermacher, A., Schmidt, B., Thiele, S., Wagner, A. de Zubiaurre, Wesch, S., Osterhoff, J.
Publikováno v:
J. Phys.: Conf. Ser. 1596, 012002 (2020)
Beam-driven plasma-wakefield acceleration based on external injection has the potential to significantly reduce the size of future accelerators. Stability and quality of the acceleration process substantially depends on the incoming bunch parameters.
Externí odkaz:
http://arxiv.org/abs/2005.12071
Autor:
D'Arcy, R., Aschikhin, A., Bohlen, S., Boyle, G., Brümmer, T., Chappell, J., Diederichs, S., Foster, B., Garland, M. J., Goldberg, L., Gonzalez, P., Karstensen, S., Knetsch, A., Kuang, P., Libov, V., Ludwig, K., de la Ossa, A. Martinez, Marutzky, F., Meisel, M., Mehrling, T. J., Niknejadi, P., Poder, K., Pourmoussavi, P., Quast, M., Röckemann, J. -H., Schaper, L., Schmidt, B., Schröder, S., Schwinkendorf, J. -P., Sheeran, B., Tauscher, G., Wesch, S., Wing, M., Winkler, P., Zeng, M., Osterhoff, J.
The FLASHForward experimental facility is a high-performance test-bed for precision plasma-wakefield research, aiming to accelerate high-quality electron beams to GeV-levels in a few centimetres of ionised gas. The plasma is created by ionising gas i
Externí odkaz:
http://arxiv.org/abs/1905.03693
Autor:
D'Arcy, R., Wesch, S., Aschikhin, A., Bohlen, S., Behrens, C., Garland, M. J., Goldberg, L., Gonzalez, P., Knetsch, A., Libov, V., de la Ossa, A. Martinez, Meisel, M., Mehrling, T. J., Niknejadi, P., Poder, K., Roeckemann, J. -H., Schaper, L., Schmidt, B., Schroeder, S., Palmer, C., Schwinkendorf, J. -P., Sheeran, B., Streeter, M. J. V., Tauscher, G., Wacker, V., Osterhoff, J.
Publikováno v:
Phys. Rev. Lett. 122, 034801 (2019)
A tunable plasma-based energy dechirper has been developed at FLASHForward to remove the correlated energy spread of a 681~MeV electron bunch. Through the interaction of the bunch with wakefields excited in plasma the projected energy spread was redu
Externí odkaz:
http://arxiv.org/abs/1810.06307
Autor:
Lindstrøm, C. A., Adli, E., Boyle, G., Corsini, R., Dyson, A. E., Farabolini, W., Hooker, S. M., Meisel, M., Osterhoff, J., Röckemann, J. -H., Schaper, L., Sjobak, K. N.
Publikováno v:
Phys. Rev. Lett. 121, 194801 (2018)
Active plasma lensing is a compact technology for strong focusing of charged particle beams, which has gained considerable interest for use in novel accelerator schemes. While providing kT/m focusing gradients, active plasma lenses can have aberratio
Externí odkaz:
http://arxiv.org/abs/1808.03691
Autor:
Röckemann, J. -H., Schaper, L., Barber, S. K., Bobrova, N. A., Boyle, G., Bulanov, S., Delbos, N., Floettmann, K., Kube, G., Lauth, W., Leemans, W. P., Libov, V., Maier, A., Meisel, M., Messner, P., Sasorov, P. V., Schroeder, C. B., van Tilborg, J., Wesch, S., Osterhoff, J.
Publikováno v:
Phys. Rev. Accel. Beams 21, 122801 (2018)
Active plasma lenses have the potential to enable broad-ranging applications of plasma-based accelerators owing to their compact design and radially symmetric kT/m-level focusing fields, facilitating beam-quality preservation and compact beam transpo
Externí odkaz:
http://arxiv.org/abs/1803.06663
Autor:
Lindstrøm, C. A., Sjobak, K. N., Adli, E., Röckemann, J. -H., Schaper, L., Osterhoff, J., Dyson, A. E., Hooker, S. M., Farabolini, W., Gamba, D., Corsini, R.
Publikováno v:
Nucl. Instr. Meth. Phys. Res. A (2018)
Discharge capillary-based active plasma lenses are a promising new technology for strongly focusing charged particle beams, especially when combined with novel high gradient acceleration methods. Still, many questions remain concerning such lenses, i
Externí odkaz:
http://arxiv.org/abs/1801.00956