3D Energetic Electron Spectrometer (3DEES)


  • Mass : ~5 kg
  • Power: ~5 W
  • Dimensions: 155 mm × 243 mm × 186 mm (h×w×l)
  • PROBA-3 (launch date 2022)
Hajdas, Wojtek; Marcinkowski, Radek; Xiao, Hualin: Calibration of the new Next Generation Radiation Monitors for ESA. In: EGU General Assembly Conference Abstracts, pp. 18218, 2017. (Type: Inproceedings | BibTeX)
Desorgher, L.; Hajdas, W.; Britvitch, I.; Egli, K.; Guo, X.; Luo, Y.; Chastellain, F.; Pereira, C.; Muff, R.; Boscher, D.; Maehlum, G.; Meier, D.: The Next Generation Radiation Monitor- NGRM. IEEEE 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC), Seoul, 2014, ISSN: 1082-3654. (Type: Proceeding | Abstract | Links | BibTeX)

The 3DEES instrument is a space radiation spectrometer capable to measure energetic electron (and optionally proton) spectra within the 0.1 – 10 MeV range in 32 energy bins and 3D angular distribution (at least 6 angles distributed within 2 planes) with a resolution for each looking direction better than 20°. The 3DEES concept is based on various charged particle detection principles including ΔE-E telescope principle, the inclined sensor concept. Protons and ions are detected by the instrument and are so cleanly identified that they cannot contaminate the electron spectra.

The 3DEES instrument is composed of 1 – 3 Panoramic Spectrometer Modules (PSM), each of which is composed of a Docking Module (DM) to which 2 – 3 Orthogonal Sensor Modules (OSM) are electronically connected.