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1.
Optical Effects in High Resolution and High Dynamic Range Beam Imaging Systems / Wolfenden, Joseph (U. Liverpool (main)) ; Bergamaschi, Michele (CERN) ; Fiorito, Ralph (U. Liverpool (main)) ; Karataev, Pavel (JAI, UK) ; Kieffer, Robert (CERN) ; Kruchinin, Konstantin (JAI, UK) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Welsch, Carsten (U. Liverpool (main))
Optical systems are used to transfer light in beam diagnostics for a variety of imaging applications. The effect of the point spread function (PSF) of these optical systems on the resulting measurements is often approximated or misunderstood. [...]
2017 - 4 p. - Published in : 10.18429/JACoW-IBIC2016-WEPG80 Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.WEPG80
2.
HORIZON 2020 EuPRAXIA Design Study / Walker, Paul Andreas (DESY) ; Alesini, David (Frascati) ; Alexandrova, Alexandra (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Anania, Maria Pia (Frascati) ; Andreev, Nikolay (ITAE, Moscow) ; Aßmann, Ralph (DESY) ; Audet, Thomas (LPGP, Orsay) ; Bacci, Alberto (INFN, Milan) ; Barna, Imre (Wigner RCP, Budapest) ; Beaton, Andrew (Glasgow U.) et al.
The Horizon 2020 Project EuPRAXIA ('European Plasma Research Accelerator with eXcellence In Applications') aims at producing a design report of a highly compact and cost-effective European facility with multi-GeV electron beams using plasma as the acceleration medium. The accelerator facility will be based on a laser and/or a beam driven plasma acceleration approach and will be used for photon science, high-energy physics (HEP) detector tests, and other applications such as compact X-ray sources for medical imaging or material processing. [...]
CERN-ACC-2017-252.- 2017 - 4 p. - Published in : (2017) , pp. TUOBB3
- Published in : J. Phys.: Conf. Ser. 874 (2017) 012029 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUOBB3
3.
Comparison of Optical Transition Radiation Simulations and Theory / Wolfenden, Joseph (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Bergamaschi, Michele (JAI, UK ; Royal Holloway, U. of London ; CERN) ; Fiorito, Ralph (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Karataev, Pavel (Royal Holloway, U. of London ; JAI, UK) ; Kieffer, Robert (CERN) ; Kruchinin, Konstantin (Royal Holloway, U. of London ; JAI, UK) ; Lefèvre, Thibaut (CERN) ; Welsch, Carsten (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.)
The majority of optical diagnostics currently used will not stand up to the requirements of the next generation of particle accelerators. Current methodologies need innovation to be able to reach the sub-micrometre resolution and sensitivity that will be required. [...]
CERN-ACC-2017-256.- 2017 - 3 p. - Published in : 10.18429/JACoW-IPAC2017-MOPAB138 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPAB138
4.
High Resolution and Dynamic Range Characterisation of Beam Imaging Systems / Welsch, Carsten (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Bergamaschi, Michele (CERN) ; Fiorito, Ralph (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Karataev, Pavel (Oxford U., JAI) ; Kieffer, Robert (CERN) ; Kruchinin, Konstantin (Oxford U., JAI) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Wolfenden, Joseph (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main))
Any imaging system requires the use of various optical components to transfer the light from the source, e.g. optical radiation generated by a charged particle beam, to the sensor. [...]
CERN-ACC-2016-306.- 2016 - 3 p. - Published in : 10.18429/JACoW-IPAC2016-MOPMR045 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.MOPMR045
5.
Generation of Terahertz Radiation by Modulating the Electron Beam at the Cathode / Neumann, Jonathan ; Fiorito, Ralph ; O'Shea, P G
A bunched electron beam can be used to generate coherent radiation in a particle accelerator. This experiment, a collaboration between the University of Maryland and the Source Development Laboratory at Brookhaven National Laboratory, uses a drive laser modulated at terahertz frequencies in an RF-photoinjecting electron accelerator to produce a bunched beam at the cathode. [...]
2004 External links: Published contribution from JACoW; Published presentation from JACoW
In : 26th International Free Electron Laser Conference and 11th FEL User Workshop 2004, Trieste, Italy, 29 Aug - 3 Sep 2004, pp.e-proc. WEBOS02
6.
Advances in Optical Transition and Diffraction Radiation Emittance Diagnostics / Fiorito, Ralph ; Shkvarunets, Anatoly ; Watanabe, Takahiro ; Yakimenko, Vitaly
We have performed a series of experiments using Optical Transition Radiation and Optical Diffraction Radiation Interferometry to measure the two orthogonal (x,y) rms divergences of the Brookhaven National Laboratory's Advanced Test Facility electron beam operating at an energy of 50 MeV. Measurement of the rms divergences at the (x,y) beam waist conditions, together with corresponding measurements of the rms beam sizes allows a determination of the rms x and y emittances. [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.4224
7.
Simulations and Experiments of Electron Beams Pre-Modulated at the Photocathode / Neumann, Jonathan G ; Carr, Larry ; Fiorito, Ralph ; Graves, William ; Loos, Henrik ; Shaftan, Timur ; Sheehy, Brian ; Shen, Yuzhen ; Wu, Zilu
The University of Maryland and the Source Development Laboratory at Brookhaven National Laboratory have been collaborating on a project that explores the use of electron beam pre-modulation at the cathode to control the longitudinal structure of the electron beam. This technique could be applied to creating deliberate modulations which can lead to the generation of terahertz radiation, or creating a smooth profile in order to supress radiation. [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.704

Se også: lignende forfatternavn
5 Fiorito, R
23 Fiorito, R B
15 Fiorito, R.
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