Risø TL/OSL Reader Model DA-20

TL/OSL Dating


Dr. E. Filippaki



TL/OSL Dating

Thermoluminescence (TL) and Optically Stimulated Luminescence (OSL) reader -model Risø TL/OSL-DA-20

Automated measurements of Thermoluminescence (TL) and Optically Stimulated Luminescence (OSL) signals from various materials.

Technical Specifications
Irradiation sources: Beta radiation (90Sr/90Y)
Optical stimulation: either blue LEDs (470 nm, 80 mW/cm2) or IR LEDs (870 nm, >135 mW/cm2)
Thermal stimulation: up to 700 oC at heating rates from0.1 to 10 K/s
OSL and TL signals detection: with a blue/UV sensitive photo electron multiplier tube (PMT), with maximum detection efficiency between 200 and 400 nm
detection filters: Hoya U-340 (7.5 mm thick, ø = 45 mm), Schott BG 39 (2 mm thick, ø = 45 mm), Corning 7-59 (4 mm thick, ø = 45 mm)
Sample positions: 48 individual sample positions
Operating environment: darkroom (red light)

Additional Tools
The Risøreader is supported by full-featured suite of software for controlling the hardware, automating the measurement sequence and analysing the recorded data. Main Risø programs: Sequence Editor, Analyst, Viewer+, Control program.

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