transmitted intensity

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• Intensity interferometer — An intensity interferometer is the name given to devices that use the Hanbury Brown and Twiss effect. In astronomy, the most common use of such an astronomical interferometer is to determine the apparent angular diameter of a radio source or star …   Wikipedia

• intensity level — noun the amount of energy transmitted (as by acoustic or electromagnetic radiation) he adjusted the intensity of the sound they measured the station s signal strength • Syn: ↑intensity, ↑strength • Hypernyms: ↑magnitude …   Useful english dictionary

• Traffic intensity — In telecommunication networks, traffic intensity is a measure of the average occupancy of a server or resource during a specified period of time, normally a busy hour.It is measured in traffic units (erlangs) and defined as the ratio of the time… …   Wikipedia

• Polarizer — For the photographic filter, see Polarizing filter (Photography). A polarizing filter cuts down the reflections (top) and made it possible to see the photographer through the glass at roughly Brewster s angle although reflections off the back… …   Wikipedia

• colorimetry — [kul΄ərim′ə trē] n. the analysis or measurement of color by means of a colorimeter colorimetric [kul΄ər ə me′trik] adj. colorimetrically adv. * * * See colorimetric. * * * Measurement of the intensity of electromagnetic radiation in the visible… …   Universalium

• Tunable diode laser absorption spectroscopy — (TDLAS) is a technique for measuring the concentration of certain species such as methane, water vapor and many more, in a gaseous mixture using tunable diode lasers and laser absorption spectrometry. The advantage of TDLAS over other techniques… …   Wikipedia

• Mössbauer spectroscopy — A Mössbauer absorption spectrum of 57Fe Mössbauer spectroscopy is a spectroscopic technique based on the Mössbauer effect. This effect, discovered by Rudolf Mössbauer in 1957, consists in the recoil free, resonant absorption and emission of gamma …   Wikipedia

• telecommunications media — Introduction       equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation       Every… …   Universalium

• Ultraviolet–visible spectroscopy — Beckman DU640 UV/Vis spectrophotometer. Ultraviolet visible spectroscopy or ultraviolet visible spectrophotometry (UV Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet visible spectral region. This… …   Wikipedia

• Mathematical descriptions of physical laws — For worded descriptions and criteria of physical laws, see Physical law. For the nomenclature used see Physical quantity and Defining equation (physics). Physical laws are often summarized by a single equation, or at least a small set of… …   Wikipedia

• Glan-Foucault prism — A Glan Foucault prism (also called a Glan air prism) is a type of prism which is used as a polarizer. It is similar in construction to a Glan Thompson prism, except that two right angled calcite prisms are spaced with an air gap instead of… …   Wikipedia