Datasheet Summary
PHOTOMULTIPLIER TUBES
PRELIMINARY DATA JUL. 1998
R7311, R7511
For Vacuum Ultraviolet Light Detection Cs-Te (R7311), Cs-I (R7511) Photocathode, MgF2 Window, 13mm (1/2 Inch) Diameter, 9-stage, Side-on Type
Features
Sensitivity in the Vacuum Ultraviolet Region R7311.............................................................115 to 320nm R7511.............................................................115 to 195nm High Quantum Efficiency (at 121.6nm) R7311...............................................................17.3% (Typ.) R7511...............................................................26.5% (Typ.) High Anode Sensitivity R7311 (at 200nm)................................3.8 × 105...