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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

Update on Active RADMON sensors

Federico Ravotti

(TS-LEA-CMS)

Maurice Glaser & Michael Moll

(PH-TA1-SD)

active radiation monitors
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

radfets
RadFETs

RADMON Meeting 22-07-2004

osl on line sensor
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

passive radiation monitors
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

readout parameters
Readout parameters

RADMON Meeting 22-07-2004