dynode


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dynode

[′dī‚nōd]
(electronics)
An electrode whose primary function is secondary emission of electrons; used in multiplier phototubes and some types of television camera tubes. Also known as electron mirror.
References in periodicals archive ?
For comparison purposes, the sixth light guide was affixed to a Burle 8850 2 inch PMT which has a higher gain first dynode.
Makeup artist Dynode Marcie said be was in a tuxedo and waiting for
Electrons are added in a cascading effect at each dynode, ultimately generating as many as 105 to 107 electrons for each photon hitting the first cathode.
The target was introduced into the source region of an unmodified Thermo Bioanalyis Vision 2000 MALDI-TOF operated in reflectron mode with 5 and 20 kV on the target and conversion dynode, respectively.
Engineered thin film dynode deposited by Atomic Layer Deposition promises improved gain performance and device lifetime.
Tenders are invited for Supply and installation of lab equipment:Shimadzu Spectrofluorophotometer, Model : RF-6000, Shimadzu Fourier Transform Infra-RedSpectrophotometer, Wavelength Range : 220 to 900nm and 0 order, Light Source Compensation: Dynode feedback system with monochromatic light monitoring in the department of chemistry, mugberia gangadhar mahavidyalaya.
The monochromator is coupled to a 9-stage dynode R237 1 PMT mounted in a shielded temperature regulated semi-hermetic enclosure.
In full-scan modes for positive/negative chemical ionization, the system has picogram-level sensitivity: Other features: a new high-energy dynode electron-multiplier detector and a short-capillary direct interface.
The high measured gain was demonstrated by applying Arradiance's patent-pending GEM-D2[TM] thin film dynode process to a standard, commercially available, 60:1, 12 micron pitch, 12x bias angle microchannel plate.