Beams Document 3472-v1

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Document #:
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Submitted by:
Camille M. Ginsburg
Updated by:
Camille M. Ginsburg
Document Created:
13 Oct 2009, 17:14
Contents Revised:
13 Oct 2009, 17:14
Metadata Revised:
13 Oct 2009, 17:19
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We describe the method for long term acceleration of charged particles with the help of laser radiation. This method uses many multi-cell microstructures aligned along the straight beam path. Each cell of microstructure has an opening from one side. Focused laser radiation with appropriate wavelength excites the cells through these openings. This excitation is going locally, in accordance with instant position of accelerated micro-bunch of particles in the structure. For this purpose special devices controllably sweep focused laser spot along the openings. This arrangement, what was called Travelling Laser Focus (TLF), reduces the instant power required from the laser source and reduces illuminating time for the every point on the structure. So the laser density does not exceed 0.3 J/cm2 for accelerating rate ~10Gev/m. Illumination time for every point is <0.3ps while the time duration of laser pulse is ~0.1 nsec. So 2 x 1 TeV collider will be ~2 x 100 m long and will require a laser flash 2x0.3 J total.
All components involved in the method described are using technology of present day. For energy ~1TeV the luminosity could reach 1035 with wall-plug power of few tens of kW only. Cost of such installation could be as low as 100M$ (without cost of detector).

Files in Document:
  • pdf file (Visit to Fermilab September 2009.pdf, 4.3 MB)
  • powerpoint file (Visit to Fermilab September 2009.ppt, 5.3 MB)
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