far-infrared radiation

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• far-infrared radiation — tolimoji infraraudonoji spinduliuotė statusas T sritis fizika atitikmenys: angl. far infrared radiation vok. ferne Infrarotstrahlung, f rus. далёкое инфракрасное излучение, n pranc. rayonnement infrarouge lointain, m; rayonnement ultrahertzien, m …   Fizikos terminų žodynas

• Far infrared astronomy — is the branch of astronomy and astrophysics which deals with objects visible in far infrared radiation (extending from 30 µm towards submillimeter wavelengths around 450 µm).In the far infrared, stars are not especially bright, but we can see… …   Wikipedia

• Far-infrared laser — (FIR laser, terahertz laser) is a laser with output wavelength in far infrared part of the electromagnetic spectrum, between 30 1000 µm (300 GHz 10 THz). It is one of the possible sources of terahertz radiation. FIR lasers have application in… …   Wikipedia

• infrared radiation — Portion of the electromagnetic spectrum that extends from the microwave range to the red end of the visible light range. Its wavelengths vary from about 0.7 to 1,000 micrometres. Most of the radiation emitted by a moderately heated surface is… …   Universalium

• far infrared — long wave infrared infrared radiation of the longest wavelength, i.e., furthest from the visible spectrum (wavelength about 3.0 to 1000 μm) …   Medical dictionary

• far-infrared — adjective Date: 1923 of or relating to the longer wavelengths of radiation in the infrared spectrum and especially to those between 10 and 1000 micrometers …   New Collegiate Dictionary

• far-redradiation — far red radiation (färʹrĕdʹ) n. Electromagnetic radiation having the longest wavelengths in the infrared region, between approximately 50 and 1,000 micrometers. Also called far infrared radiation. * * * …   Universalium

• 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 homing — refers to a passive missile guidance system which uses the emission from a target of electromagnetic radiation in the infrared part of the spectrum to track it. Missiles which use infrared seeking are often referred to as heat seekers , since… …   Wikipedia

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

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium