photon-counting mode

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• Photon — This article is about the elementary particle of light. For other uses, see Photon (disambiguation). Photon Photons emitted in a coherent beam from a laser Composition Elementary particle …   Wikipedia

• Single-Photon Avalanche Diode — In optoelectronics the term Single Photon Avalanche Diode (SPAD)(also know as a Geiger mode APD or G APD) identifies a class of solid state photodetectors based on a reverse biased p n junction in which a photo generated carrier can trigger an… …   Wikipedia

• Photomultiplier — Schematische Skizze eines Photomultipliers Photomultiplier, Länge …   Deutsch Wikipedia

• Photomultiplier — tubes (photomultipliers or PMTs for short), members of the class of vacuum tubes, and more specifically phototubes, are extremely sensitive detectors of light in the ultraviolet, visible, and near infrared ranges of the electromagnetic spectrum.… …   Wikipedia

• Charge-coupled device — A specially developed CCD used for ultraviolet imaging in a wire bonded package. A charge coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for… …   Wikipedia

• Chemical imaging — (as quantitative chemical mapping) is the analytical capability to create a visual image of components distribution from simultaneous measurement of spectra and spatial, time informations.[1][2] The main idea for chemical imaging, the analyst may …   Wikipedia

• Photodiode — Three Si and one Ge (bottom) photodiodes Symbol for photodiode …   Wikipedia

• Superconducting camera (SCAM) — The superconducting camera, SCAM, is an ultra fast photon counting camera, developed by the ESA. It is cooled to just 0.3 K (three tenths of a degree above absolute zero). This enables its sensitive electronic detectors, known as superconducting… …   Wikipedia

• mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …   Universalium

• Photocathode — In a photomultiplier or Phototube, a photocathode is a negatively charged electrode coated with a photosensitive compound. When this is struck by light, electrons are emitted due to the photoelectric effect.Although a plain metallic cathode will… …   Wikipedia

• Mercury(II) cadmium(II) telluride — HgCdTe or mercury cadmium telluride (also cadmium mercury telluride, MCT or CMT) is an alloy of CdTe and HgTe and is sometimes claimed to be the third semiconductor of technological importance after silicon and gallium(III) arsenide. The amount… …   Wikipedia