R7311 HAMAMATSU | Alldatasheet
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Technical content
FEATURES
Sensitivity in the Vacuum Ultraviolet Region High Quantum Efficiency (at 121.6nm) High Anode Sensitivity 5 A/W (Typ.) Parameter R7311 Unit Spectral Response Wavelength of Maximum Response Photocathode Material Window Material Minimum Effective Area Dynode Direct Interelectrode Capacitances Base Weight Suitable Socket for Base (supplied) nm nm mm pF pF g 115 to 320 200 Cs-Te R7511 115 to 195 130 Cs-I MgF 4 × 5 Circular-cage Sb-Cs Approx. 1.7 Approx. 2.0 11-pin base E678-11H Structure Number of Stage Material Anode to Dynode No.9 Anode to All Other Electrodes PHOTOMULTIPLIER TUBES R7311, R7511 Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. © 1998 Hamamatsu Photonics K.K. Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. For Vacuum Ultraviolet Light Detection Cs-Te (R7311), Cs-I (R7511) Photocathode, MgF2 Window, 13mm (1/2 Inch) Diameter, 9-stage, Side-on Type
APPLICATIONS
Emission Spectroscopy, etc. Figure 1: Typical Spectral Response 100 0.1 0.01 100 PHOTOCATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) WAVELENGTH (nm) 300 200 CATHODE RADIANT SENSITIVITY QUANTUM EFFICIENCY R7311 R7511 TPMSB0087EB TPMSF0077 PRELIMINARY DATA JUL. 1998