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which dynode structure best meets your performance needs?
Photomultipliers are manufactured from any of the four dynode structures:
- venetian blind (VB)
- circular focused (CF)
- box and grid (BG)
- linear focused (LF)
with many available in a choice of two dynode surface materials
- decide: the gain required
- decide: the dynode structure
- decide: the number of stages to best meet the performance demands of your application
Photomultipliers with plano-concave windows and circular focused multipliers give the best timing performance. Other considerations such as the number and type of dynodes, the overall voltage, and the diameter of the photocathode, are also relevant.
Pulsed anode currents, of peak amplitude up to 150 mA, can be drawn from the photomultiplier, depending on the type of dynode and the type of secondary emitting surface.