A pulsed discharge ionization detector (pulsed discharge detector) is a detector for gas chromatography that utilizes a stable, low powered, pulsed DC...

detector (IRD), photo-ionization detector (PID), pulsed discharge ionization detector (PDD), and thermionic ionization detector (TID). The method is the collection...

vacuum phototubes. Townsend avalanche discharges are fundamental to the operation of gaseous ionisation detectors such as the Geiger–Müller tube and the...

Electron ionization is widely used in mass spectrometry, particularly for organic molecules. The gas phase reaction producing electron ionization is M +...

examples of gas ionization occur within a fluorescent lamp or other electrical discharge lamps. It is also used in radiation detectors such as the Geiger-Müller...

ionization. The ionization is considerably amplified within the tube by the Townsend discharge effect to produce an easily measured detection pulse,...

A lightning detector is a device that detects lightning produced by thunderstorms. There are three primary types of detectors: ground-based systems using...

of xenon ionization occurs by collision with excited atoms of the other noble gas; at more than few percents of xenon, the discharge ionizes xenon directly...

ionization detector and uses the Townsend avalanche phenomenon to produce an easily detectable electronic pulse from as little as a single ionizing event...

proportional counter is a type of gaseous ionization detector device used to measure particles of ionizing radiation. The key feature is its ability to...

in turn ionize the components Pulsed discharge ionization detector (PDD) -- similar to a Discharge ionization detector (DID), but uses a different sort...

"Tracking Down the Origin of Arc Plasma Science I. Early Pulsed and Oscillating Discharges". IEEE Transactions on Plasma Science. 31 (4): 1052–1059....

atmospheric-pressure chemical ionization (R-APCI) source, e.g. a small piece of 63Ni or 241Am, similar to the one used in ionization smoke detectors. ESI and MALDI techniques...

temperature. The intrinsic thermal time constant, which sets the speed of the detector, is equal to the ratio of the heat capacity of the absorptive element to...

the ultra-violet of the discharge into visible light. Scintillation detectors are also used in the petroleum industry as detectors for Gamma Ray logs. There...

and 280 nm. Pulsed light works with xenon flash lamps that can produce flashes several times per second. Disinfection robots use pulsed UV. The antimicrobial...

multiplication occurs when the gas becomes ionized, producing a phenomenon known as a Townsend discharge. Gases used include mercury vapor, xenon, neon...

the molecules are dissociated into free atoms, and ionization where (depending on the ionization potential of the analyte atoms and the energy available...

galena (lead sulfide) to serve as a point-contact rectifier or "crystal detector". Rectifiers have many uses, but are often found serving as components...

contain a source of beta radiation to start ionization of the gas that fills the tube. In some tubes, glow discharge around the cathode is usually minimized;...

other types of mass spectrometry, such as thermal ionization mass spectrometry (TIMS) and glow discharge mass spectrometry (GD-MS), ICP-MS introduces many...

Krypton-85, added to the envelope to provide ionization in darkness. The voltage required to sustain the discharge is significantly (up to 30%) lower than...

UV radiation from excited helium molecules is used in the pulsed discharge ionization detector (PDHID) which is capable of detecting the contents of mixed...

sources of ionizing radiation cause noise pulses and single and multiple bit errors. This effect is sometimes exploited by particle detectors to detect...

spectrometer must be used in conjunction with the ionization gauge for accurate measurement. A hot-cathode ionization gauge is composed mainly of three electrodes...

performance. These radioative materials are used to ionize the fill gas within the tube. This ionization process ensures reliable and consistent operation...

Spark ionization (also known as spark source ionization) is a method used to produce gas phase ions from a solid sample. The prepared solid sample is...

fragile and fragment when ionized by more conventional ionization methods. It is most similar in character to electrospray ionization both in relative softness...

electron beam can be "chopped" into nano- or pico-second pulses by a beam-blanker or with a pulsed electron source. These advanced techniques are useful...

further photon arrivals. Any photons, (or dark counts or after-pulses), that reach the detector during this brief period are not counted. As the number of...