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Table 6.

OSLD preparation: all groups applied Al2O3:C (Luxel) detectors.

Institute Readout system Power [mW/cm2] Filter Stimulation Time [s] Bleaching Calibration Method Source OSL curve evaluation
OSU Risø TL/OSL-DA-15C/D (Green diodes: 525 nm) 13.3 7.5 mm Hoya-U340 600 Yellow light over night Single “chip” 90Sr/90Y (calib. against 60Co) (2)
SCK·CEN Homemade (Ar+ laser: 488 nm) 120 Melles Griot 01MCG019 100 No (daylight) Separate group from the same batch 60Co
NASA/SRAG Risø TL/OSL-DA-15C/D (Green diodes: 525 nm) 40 7.5 mm Hoya-U340 300 Bleached with 525 nm for 120 s Same batch 137Cs (3)
NIRS MicroStar InLight (Landauer Inc.) (Green diodes: 525 nm) 173 (1) 7.5 mm Hoya-B390 1 Fluorescent light without UV Same batch 137Cs
(1)

Calculated value from nominal specification of employed LEDs.

(2)

Total OSL area (300 s or 600 s stimulation at 10 mW/cm2).

(3)

OSL initial intensity (3 s) or total OSL area (300 s) at 40 mW/cm2.

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