Datasheet Summary
PHOTOMULTIPLIER TUBES
R2658 R2658P (For Photon Counting)
High QE in Near IR Region Due to InGaAs (Cs) Photocathode For Spectrophotometers with 185 to 1010 nm range, Fluorescence and Laser Applications and Photon Counting (R2658P) in the Near Infrared Region, etc.
Features
High QE in Near IR Region ............................... QE 0.13% at 1 µ m Wide Wavelength Range ....................................... 185 to 1010 nm Low Dark Current .......................................... 1 nA at 1250 V (Typ.)
The R2658 and the R2658P are 28 mm (1-1/8 inch) diameter side-on photomultiplier tubes using a newly developed InGaAs semiconductor photocathode. The InGaAs photocathode is sensitive from...