photomultiplier tube


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photomultiplier tube

[¦fōd·ō′məl·tə‚plī·ər ¦tüb]
(electronics)

photomultiplier tube

A vacuum tube that converts light into electrical energy and amplifies it. Photomultiplier tubes are used in high-end drum scanners, because they are more sensitive to light than the CCD elements used in lower-cost devices.
References in periodicals archive ?
2+] ECL reaction passed through the glass window and were detected by a photomultiplier tube.
Mycobacterium tuberculosis; and PMT, photomultiplier tube.
The BlankCell procedure serves to calibrate the chemiluminescence signal received by the photomultiplier tube to a solution of known concentration.
5 m of multimode step-index optical fiber (100-Am core, 10-Am cladding, and 120-[micro]m total diameter) with polyimide coating (Superguide G, SFS100/100T, Fiberguide) placed 5 mm from the lamp housing leading to a photomultiplier tube (1P28B22, RCA) operated at -650 V do (Pacific Instruments).
Typical measurements include insulation resistance, leakage currents, photodiode and photomultiplier tube currents, SEM beam currents, sensor characterization, and I-V characterization of semiconductors and other components.
Tenders are invited for Supply of multialkaline high sensitivity photomultiplier tube ( equivalent to sciencetech pmt-01), specification as per annexure).
A photomultiplier tube converts the fluorescent light to a voltage.
A microscope focused on the sample stream, at right angles to the laser beam, collects the fluorescent light and directs it to a photomultiplier tube for quantification.
The LAAPD is a rugged, compact, all solid state alternative to the photomultiplier tube (PMT), and the new detectors incorporate a thermoelectrically cooled LAAPD with a charge sensitive preamplifier board and a mounting plate, providing excellent sensitivity and noise characteristics, making them ideal for high-precision applications.
The new 157 series offers a hermetically sealed, windowless, all solid state device that is rugged and compact and provides quantum efficiencies superior over a longer spectral range to the traditional photomultiplier tube (PMT) and can deliver up to four times as much gain as a traditional avalanche photodiode.
The LAAPD is a rugged, compact, all-solid-state alternative to the photomultiplier tube (PMT), and the new modules are intended to bring the benefits of this advanced detector technology to high-volume OEM users.
The specifications for the MicroLumi-L2 instrument include a digital-photon-counting photomultiplier tube detector, linear dynamic-range of 7-decades and a spectral response of 300-650 nm with essentially no cross-talk from nearby wells.