R9110 Photomultiplier Tube
The R9110 photomultiplier tube (PMT) offers high sensitivity and low dark current for low-light measurements over a wide spectral range...
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•Datasheet: R9110 Photomultiplier Tube
The R9110 photomultiplier tube (PMT) offers high sensitivity and low dark current for low-light measurements over a wide spectral range.
The R9110 is a 28 mm side-on PMT with a minimum effective area of 8 mm x 6 mm. Its spectral response range extends from 185 nm to 900 nm, with peak sensitivity at 450 nm. At this wavelength, the detector’s multialkali photocathode has a radiant sensitivity of 90 mA/W and an extremely high quantum efficiency of 24.8%. Dark current is typically 5 nA after 30 minutes storage at room temperature.
Like Hamamatsu’s many other PMTs, the R9110 provides excellent amplification of faint signals. Its nine electron multiplication stages yield a maximum gain of 1.9 x 107 electrons per photon. In terms of response time, the R9110 has a rise time of 2.2 ns, electron transit time of 22 ns, and transit time spread of 1.2 ns. Users of Hamamatsu’s R3896 PMT may wish to note that the R9110 is directly interchangeable with that tube.
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