Infrared (absorption) band

Infrared (absorption) band
Инфракрасная полоса поглощения.

Краткий толковый словарь по полиграфии. 2010.

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  • Absorption band — An absorption band is a range of wavelengths (or, equivalently, frequencies) in the electromagnetic spectrum which are able to excite a particular transition in a substance. See absorption spectrum. Since energetic transitions can take place in… …   Wikipedia

  • Infrared astronomy — is the branch of astronomy and astrophysics which deals with objects visible in infrared (IR) radiation. Visible radiation ranges from 400 nm (blue) to 700 nm (red). Longer wavelengths than 700 nm but still shorter than microwaves are called… …   Wikipedia

  • Infrared spectroscopy — (IR spectroscopy) is the subset of spectroscopy that deals with the infrared region of the electromagnetic spectrum. It covers a range of techniques, the most common being a form of absorption spectroscopy. As with all spectroscopic techniques,… …   Wikipedia

  • Infrared — For other uses, see Infrared (disambiguation). An image of two people in mid infrared ( thermal ) light (false color) …   Wikipedia

  • absorption — /ab sawrp sheuhn, zawrp /, n. 1. the act of absorbing. 2. the state or process of being absorbed. 3. assimilation; incorporation: the absorption of small farms into one big one. 4. uptake of substances by a tissue, as of nutrients through the… …   Universalium

  • infrared spectrometer — a device that analyzes the chemical composition of a substance either by passing infrared light through a specimen and characterizing its absorption spectrum or by measuring the amount of infrared light emitted by excited atoms or molecules in a… …   Medical dictionary

  • Laser absorption spectrometry — (LAS) refers to techniques that utilize lasers to assess the concentration or amount of a species in gas phase by absorption spectrometry (AS).It is well known that optical spectroscopic techniques in general and laser based techniques in… …   Wikipedia

  • Water absorption — is a phenomenon in the transmission of electromagnetic radiation through a medium containing water molecules. Water molecules are excited by radiation at certain wavelengths and tend to selectively absorb portions of the spectrum while allowing… …   Wikipedia

  • Wide-field Infrared Survey Explorer — (WISE) WISE prior to its mission into orbit …   Wikipedia

  • Direct and indirect band gaps — In semiconductor physics, the band gap of a semiconductor is always one of two types, a direct band gap or an indirect band gap. The band gap is called direct if the momentum of electrons and holes is the same in both the conduction band and the… …   Wikipedia


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