A. Facilities for beam tests of accelerator components

HIGH INTENSITY PROTON INJECTOR-IPHI (CEA)

The High Intensity Proton Injector (IPHI) is a proton accelerator.

  • Two beamlines: the high power beamline (up to 300 kW) and a low power beamline (300 W),
  • Proton current choice and monitoring from 1 mA up to about 100 mA,
  • Tunable pulse lengths from 1 ms to continuous mode,
  • Vacuum in the proton beamlines at the level of 10-8 mbar,
  • Fast neutron source (mean neutron energy = 600 keV) with a total neutron production of 4 109 n/s over 4π,
  • Thermal moderator allowing to produce a thermal neutron flux of about 104 n/cm2/s at 1 m from the target.

Ion Source Test Bench-BETSI (CEA)

Injector of light ion beam for ion source characterization, test of diagnostics and beam delivery for experiments.

  • Extracted beam intensity: I ≤ 100 mA, CW or pulsed mode,
  • Accelerating voltage from few kV ≤ V ≤ 100 kV,
  • Allison scanner for beam emittance measurement,
  • Faraday cup for beam intensity measurement,
  • Beam composition characterization by Doppler shift effect (and with a Wien filter in the future),
  • Four grid analyzer for space charge compensation measurement.

Ion source test facility (CIEMAT)

Test station for P.I.G. ion souces: DC and RF extraction. Measurement of beam current with Faraday cups. Plasma density and temperature can be estimated with optical emission spectroscopy and Langmuir probes.

  • NC dipole magnet: 0,85 T,
  • Cold Cathode P.I.G. Ion source,
  • Beam diagnostics and instrumentation,
  • H- gas handling control,
  • Vacuum chamber and vacuum system.

Electron Van de Graff accelerator facility (CIEMAT)

Electron irradiation by electron beam or by Bremsstrahlung,

  • Energy: 0,25 to 2,0 MeV and current 10 pA to 150mA,
  • Samples from 3 mm2 to about 20x20 cm2,
  • At target area unfocussed beam is ~1 cm diameter,
  • Beam can be focussed up to ~1 mm diameter (for small samples),
  • Beam can be defocussed up to ~3 cm diameter,
  • Beam can be scanned over 20x20 cm2 (for large samples).

Cyclotron Centre Bronowice-CCB (IFJ-PAN)

Proton beam, produced by the C-235 cyclotron.

  • Proton beam with energy from 70 MeV to 230 MeV and intensity from 0.5 nA to 500 nA,
  • Experimental room with horizontal beam and with magnetic optical system enabling beam size adjustment,
  • Gantry facility which enables sample irradiation from 0 MeV to 230 MeV using scanning beam (with σ=2.7 mm or σ=4 mm spot size) and at a selected angle within the range of 0 to 360,
  • Facility for irradiation with the use of horizontal beam with energy ranging from 0 MeV to 70 MeV; this facility gives a possibility of irradiation using Spread Out Bragg Peak, SOBP. Dose rate: from 0.01 to 1Gy/s,
  • Two separate rooms for biological samples preparation (material of animal and human origin).

AIC-144 CYCLOTRON (IFJ-PAN)

The proton eye radiotherapy facility uses 70 MeV proton beam produced by the C-230 cyclotron. Irradiated samples and standards are subject of measurements by means of low-background gamma spectrometry directly or after radiochemical purification.


Electrons at the Beam Test Facility (INFN)

Irradiation facility for detector calibration/test and for irradiation of samples with a pulsed electron (or positron) beams in a wide range of beam parameters (in term of energy and intensity).

  • Particles extracted from the DAFNE LINAC and transported into a dedicated test area (Beam Test Facility-BTF)
  • Energies of electrons from 30 to 700 MeV with repetition rate up to 50 Hz,
  • Energies of positrons from 25 to 500 MeV with repetition rate up to 50 Hz,
  • The intensities of the particle beam can be selected from single particle up to 1010 electrons per shot or 105 positrons per shot.

KARLSRUHE RESEARCH ACCELERATOR-KARA (KIT)

The test facility for accelerator and detector R&D is a 110-m storage ring, which provides electrons from 0.5 to 2.5 GeV and synchrotron radiation from coherent synchrotron radiation in the terahertz range to the hard X-ray region.

  • Large electron energy range (0.5–2.5 GeV),
  • Adjustable electron bunch lengths (50 ps down to a few ps),
  • No. of bunches 1, 2, 3, …, 184 and corresponding repetition rate: (2.7, 5.4, 8.1, …, 500) MHz,
  • Synchronized, fast, transversal and longitudinal beam diagnostics,
  • Flexible magnet lattice, low-alpha optic and superconducting insertion devices.

FERN-INFRAROT LINAC UND TEST-EXPERIMENT-FLUTE (KIT)

FLUTE provides an infrastructure for ps and fs electron and photon beam studies to enable innovative technology solutions such as advanced beam diagnostics, synchronization and stabilization schemes, and to create intense terahertz (THz) radiation.

  • Photo-injector with fs/ps near-IR and UV laser system in cleanroom,
  • Electron energies of 7 MeV and 40 to 50 MeV,
  • Wide bunch length range from 300 fs down to 1 fs,
  • Wide charge range from 1 pC up to 3 nC per bunch,
  • Spectral band coverage up to 30 THz,
  • THz E-field strength up to 1 GV/m.

Compact Linac (STFC)

​The Compact Linac has been developed to investigate the potential for small, low-energy linear accelerators.

  • Electron beam energy range between 2 MeV and 4 MeV,
  • Pulse widths down to 500 ns,
  • Pulse repetition rates in the range 1 to 400 Hz​.

Front-end test stand-FETS (STFC)

FETS consists of an H- ion source, magnetic low energy beam transport (LEBT), 324 MHz 4-vane Radio Frequency Quadrupole accelerator (RFQ), medium energy beam transport and chopper line (MEBT) and comprehensive diagnostics.


Versatile Electron linear Accelerator-VELA (STFC)

VELA is a high performance, modular linear accelerator capable of delivering a high quality electron beam to a series of test enclosures.

  • Beam energy: ​4.0–5.5 MeV,
  • Bunch charge: 10–250 pC,
  • Bunch length (s t,rms): 80–3 ps,
  • Normalised emittance: 0.1–2.0 mm,
  • Beam size (s x,y,rms): 0.1–3.5 mm,
  • Energy spread (s e,rms): 0.1–5 %,
  • Bunch repetition rate: 1–10 Hz.