Name of the institution: PTB - Physikalisch-Technische Bundesanstalt

Address (location): Braunschweig, Germany

Contact person (e-mail address):


Name of facility: MELAF - Metrological Electron Accelerator Facility

Type of facility (e.g. accelerator, laser): electron accelerators (LINACs)

Main use of the facility (e.g. patient treatment, research): research, calibration service, material testing

Access restrictions: radiation protection regulations


Main parameters:

Particle type: electrons, photons

Energy range: 0.5 MeV – 50 MeV

Momentum range:

Operation mode (continuous or bunched): bunched (3 GHz), pulsed (< 100 Hz)

Beam intensity: 50 mA pulse current, 10 uA mean current, 100 Gy/min

Number of particles per bunch (if bunched): 10^12 per pulse

Number of bunches per pulse (if bunched):

Transverse beam sizes: 4 mm FWHM, 0.5x0.5 cm – 40x40 cm homogenous irradiation field size

Bunch length (if bunched): 2 us macro-pulse length

Transverse emittances (geometric or normalised):

Any other important information: