Standard UV-VIS PMT unit (300 – 650 nm)

Standard UV-VIS PMT unit (280 – 650 nm)
  • standard detection unit for application in luminescence dating and dosimetry

  • bi-alkaline cathode PMT (HAMAMATSU)

  • sensitivity range: 300-650 nm

  • peak sensitivity: 420 nm ( 3.1 E5 counts s-1 pW-1)

  • dark counts typ. <100 cts

  • photon counter

  • counting linearity (random pulses, 10% loss) 6.0 E6 cps

  • UV-VIS optics

Extended UV-VIS PMT unit (160 – 630 nm)

  • for standard applications in luminescence dating and dosimetry

  • detection unit with standard bi-alkaline cathode PMT (Electron Tubes 9235QB)

  • sensitivity 160-630 nm

  • peak sensitivity: 30% quantum efficiency @ 200 nm and 350 nm

  • dark count typ. 300 cts

  • photon counter

  • counting linearity (random pulses, 10% loss)

  • UV-VIS optics

Red enhanced UV-VIS PMT unit (300 – 720 nm)

Red enhanced UV-VIS PMT unit (300 – 720 nm)
  • necessary/useful if standard UV-VIS PMT sensitivity in the yellow to red wavelength band is insufficient

  • useful e.g. for quartz (flint)/calcite orange-red or feldspar red luminescence measurements

  • thermoelectric/air cooled GaAsP photocathode PMT (HAMAMATSU)

  • sensitivity: 300 – 720 nm

  • peak-sensitivity: 40% quantum efficiency @ 580 nm

  • cooling max. 35 °C below room temperature

  • cooling time approx. 5 min

  • typically 100 cps dark signal at 0°C

  • photon counting system

  • counting linearity (random pulses, 10% count loss) 1.5 E6 cps

  • UV-VIS optics

VIS-NIR PMT unit (380 – 890 nm)

VIS-NIR PMT unit (380 – 890 nm)
  • required for RF dose determination employing the 865 nm potassium feldspar emission

  • useful/necessary for any other measurements where red and NIR sensitivity is needed

  • thermoelectric/air cooled GaAs photocathode PMT (HAMAMATSU)

  • sensitivity: 380 – 890 nm,

  • peak-sensitivity: 12% quantum efficiency @ 800 nm

  • cooling max. 35 °C below room temperature

  • cooling time approx. 5 min

  • typically 60 cps dark signal at -10°C (125 cps at 0°C)

  • photon counting system

  • counting linearity (random pulses, 10% count loss) 1.5 E6 cps

  • includes UV-NIR optics

PMT detection unit