Entry from British & World English dictionary
An intermediate electrode which emits additional electrons in a photomultiplier or similar amplifying device.
- A gating circuit that inverts the polarity of dynodes 1 and 3, for up to 1.5 ms after the laser pulse, protects the photomultiplier from the intense prompt fluorescence light pulse.
1930s: from Greek dunamis 'power' + -ode2.
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