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Update on Active RADMON sensors

Update on Active RADMON sensors. Federico Ravotti (TS-LEA-CMS) Maurice Glaser & Michael Moll (PH-TA1-SD). Active Radiation Monitors. + new devices (D2) 0.4 m m oxide thickness; Isochronal Characterization of all FET types  under way!. RadFETs.

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Update on Active RADMON sensors

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  1. Update on Active RADMON sensors Federico Ravotti (TS-LEA-CMS) Maurice Glaser & Michael Moll (PH-TA1-SD)

  2. Active Radiation Monitors • + new devices (D2) 0.4 mm oxide thickness; • Isochronal Characterization of all FET types •  under way! RadFETs • Investigation on thick devices for • high sensitivity measurements •  under way! p-i-n diodes Optically Stimulated Luminescence (OSL) • Annealing studies  under way! • Radiation Hardness problems with the Readout electronics  under investigation! RADMON Meeting 22-07-2004

  3. RadFETs RADMON Meeting 22-07-2004

  4. OSL on-line sensor OSL+B OSLs deposed on GaAsP photodiodes for CERN sensor  OSL pure OSL+ Paraffin GaAsP + OSL coupled with a NIR LED • NIR LED known Radiation Hardness problems: • Diodes InGaAsP/InP 1050 nm under investigation! • GaAsP photo-sensor  unexpected Radiation Hardness problems: • (~ 30 % signal loss after ~ 2x1013Feq) • Problem under investigation; • Research of new solutions. RADMON Meeting 22-07-2004

  5. Passive Radiation Monitors Polymer-Alanine (PAD) Radio-Photo Luminescent (RPL) Gafchromicâ Sensitive Films Calibration campaign 2003 in the mixed g/n field of CERN-PS IRRAD2 Facility (@ 50 cm from the beam axis) 24 GeV/c protons (HD-810) RADMON Meeting 22-07-2004

  6. Readout parameters RADMON Meeting 22-07-2004

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