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pro vyhledávání: '"Jamison, Steven P"'
\begin{abstract} We show that it is possible to design corrugated waveguides where phase and group velocities coincide at an inflection point of the dispersion relation, allowing an extended regime of interaction with a charge particle beam. This pro
Externí odkaz:
http://arxiv.org/abs/2310.07450
Autor:
Hibberd, Morgan T., Healy, Alisa L., Lake, Daniel S., Georgiadis, Vasileios, Smith, Elliott J. H., Finlay, Oliver J., Pacey, Thomas H., Jones, James K., Saveliev, Yuri, Walsh, David A., Snedden, Edward W., Appleby, Robert B., Burt, Graeme, Graham, Darren M., Jamison, Steven P.
Dielectric structures driven by laser-generated terahertz (THz) pulses may hold the key to overcoming the technological limitations of conventional particle accelerators and with recent experimental demonstrations of acceleration, compression and str
Externí odkaz:
http://arxiv.org/abs/1908.04055
Autor:
Hidding, Bernhard, Hooker, Simon, Jamison, Steven, Muratori, Bruno, Murphy, Christopher, Najmudin, Zulfikar, Pattathil, Rajeev, Sarri, Gianluca, Streeter, Matthew, Welsch, Carsten, Wing, Matthew, Xia, Guoxing
The acceleration gradients generated in a laser- or beam-driven plasma wakefield accelerator are typically three orders of magnitude greater than those produced by a conventional accelerator, and hence plasma accelerators can open a route to a new ge
Externí odkaz:
http://arxiv.org/abs/1904.09205
Autor:
Wei, Yelong, Ibison, Mark, Resta-Lopez, Javier, Welsch, Carsten, Ischebeck, Rasmus, Jamison, Steven, Xia, Guoxing, Dehler, Micha, Prat, Eduard, Smith, Jonathan
Dielectric laser-driven accelerators (DLAs) can provide high accelerating gradients in the GV/m range due to their having higher breakdown thresholds than metals, which opens the way for the miniaturization of the next generation of particle accelera
Externí odkaz:
http://arxiv.org/abs/1712.04759
Akademický článek
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Akademický článek
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The time-resolved detection of ultrashort pulsed THz-band electric field temporal profiles without an ultrashort laser probe is demonstrated. A non-linear interaction between a narrow-bandwidth optical probe and the THz pulse transposes the THz spect
Externí odkaz:
http://arxiv.org/abs/1503.01013
We demonstrate that full temporal characterisation of few-cycle electromagnetic pulses, including retrieval of the carrier envelope phase (CEP), can be directly obtained from Frequency Resolved Optical Gating (FROG) techniques in which the interferen
Externí odkaz:
http://arxiv.org/abs/1501.04864
Downramp-assisted underdense photocathode electron bunch generation in plasma wakefield accelerators
Autor:
Knetsch, Alexander, Karger, Oliver, Wittig, Georg, Groth, Henning, Xi, Yunfeng, Deng, Aihua, Rosenzweig, James Benjamin, Bruhwiler, David Leslie, Smith, Johnathan, Jaroszynski, Dino Anthony, Sheng, Zheng-Ming, Manahan, Grace Gloria, Xia, Guoxing, Jamison, Steven, Hidding, Bernhard
It is shown that the requirements for high quality electron bunch generation and trapping from an underdense photocathode in plasma wakefield accelerators can be substantially relaxed through localizing it on a plasma density downramp. This depresses
Externí odkaz:
http://arxiv.org/abs/1412.4844
Autor:
Jamison, Steven P.
Site-selective laser spectroscopy, Zeeman infrared and optical absorption have been employed to investigate trivalent dysprosium centers in rare-earth doped alkaline-earth fluoride crystals. These studies have characterised the two dominant centers i
Externí odkaz:
http://hdl.handle.net/10092/8172