infra-red

infra-red teriminin İngilizce İngilizce sözlükte anlamı: Frequencies beyond the red end of the visible spectrum, ie frequencies with longer wavelengths than red light Perceived by humans as heat Commonly used for remote-control devices; infra-red light gives out heat but cannot be seen ultraviolet; Radiant energy with wave lengths that are longerthan the wave lengths of the visible spectrum Applications include photography, drying or baking materials in industry, medical heat therapy, heating food, etc; Light of a longer wavelength (lower frequency) than can be seen by humans Called infra-red (infra meaning under/below) because it is "below" visible red in the colour spectrum IR remote controllers use IR-LEDs to transmit information from the remote to the appliance Generally IR units only work one-way, they don't receive information from the appliance; Portion of the electromagnetic spectrum lying between the red end of the visible spectrum and microwave radiation (700 nm to 1000 mm); 10-5 Warm or hot objects, the Sun Skin, blackened thermometer, thermistor; Asphalt surface repair process which uses radiated heat to soften existing pavement Most commonly the pavement is then raked and additional hot mix added When raking is completed the area is re-compacted This allows fast repairs with less new material and facilitates repairs in weather to cool for conventional methods Not appropriate for areas of base failure or requiring structural repair May also be used to soften pavement for texturing or decorative processes such as Street Print®; Infrared radiation is part of the electromagnetic spectrum, often used for contactless heat transfer, e g solder reflow; Often abbreviated to IR The part of the Electro-magnetic spectrum with wavelengths ranging from ~100 microns (Far IR) to ~1 micron (Near IR) (1 micron is 1 millionth of a metre) The terms near and far just come from how close to the visible part of the spectrum it is IR astronomy is beginning to become very important as detectors of IR radiation improve Observing in the Infra-Red allows us to 'see' much cooler objects than we do in the optical (due to Wien's law) Also, IR radiation passes through interstellar dust far more easily than higher frequency radiation does (due to Rayleigh scattering) - Allowing us to see deep into dust clouds and other previously unexplored regions Top J K L; A means of data transfer where information is communicated via an infra-red light beam between a cellphone and a laptop or PDA; a type of radiation, which is invisible and gives off heat; Radiation, invisible to the human eye, falling just beyond the red end of the visible spectrum Some films, both black-and-white and colour, are specially sensitised for photography by infra-red radiation, and are used in medical, forensic and other scientific applications; Infra-red is the archetypal wireless technology It allows easy data fransfer between multiple devices types (phones, PDAs, peripherals, computers, video equipment - the list goes on) It is very cheap, relatively fast (supporting speeds up to 4Mbps) and is useful for many applications It's downside is that it needs a line of sight connection and that its range is limited to 5-10m and even less if communication rates are high; ir
infrared: Having the wavelength in the infrared
infrared: In the infrared spectrum
infra red: invisible rays just beyond the red of the visible spectrum that have a penetrating heating effect
infrared: Light waves that are slightly longer than visible light waves They are found to the right of visible light in the electromagnetic spectrum Infrared rays create most of the heat from sunlight and incandescent light bulbs
infrared: The invisible part of the electromagnetic spectrum whose rays have wavelengths longer than those of the red end of the visible spectrum
infrared: Infrared radiation is similar to light but has a longer wavelength, so we cannot see it without special equipment
infrared: electromagnetic radiation at wavelengths longer than the red end of visible light and shorter than microwaves (roughly between 1 and 100 microns) Almost none of the infrared portion of the electromagnetic spectrum can reach the surface of the Earth, although some portions can be observed by high-altitude aircraft (such as the Kuiper Observatory) or telescopes on high mountaintops (such as the peak of Mauna Kea in Hawaii)
infrared: Infrared electromagnetic waves have frequencies higher than microwaves but lower than the visible spectrum Infrared transmission is used for wireless LANs, as well as for point-to-point communications with portable devices
infrared: Light that is so red humans cannot see it A band of the electromagnetic spectrum between the visible and the microwave Photons of infrared light are less energetic than photons of visible light
infrared: electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end; "infrared radiation"; "infrared photography
infrared: Electromagnetic radiations of wavelength between the longest visible red (7,000 Angstroms or 7 Ã— 10-4 millimeter) and about 1 millimeter See Electromagnetic radiation
infrared: (IR) - Invisible radiation, sensed as heat, which has wavelengths longer than red visible light and shorter than microwaves
infrared: Electromagnetic waves with a frequency range between microwaves and the visible spectrum
infrared: Electromagnetic waves in the frequency range just below visible light Infrared-based sources and receivers are used in Newton devices for communication with other devices Source: FOLDOC
infrared: range of invisible light radiation frequencies lying between visible red and radio waves on the spectrum
infrared: The region of the electromagnetic spectrum bounded by the long-wavelength extreme of the visible spectrum (approximately 0 7 μm) and the shortest microwaves (approximately 0 1 mm)
infrared: Lying outside the visible spectrum at its red end; said of rays less refrangible than the extreme red rays
infrared: light that lies outside of the visible spectrum, with wavelengths longer than those of red light
infrared: region of the electromagnetic spectrum that includes wavelengths from 0 7 to 1000 microns
infrared: - The band of wavelengths greater than visible light but shorter than microwave Scanners operating with this light source are usually specified around 900 nanometers
infrared: A very broad slice of the spectrum, reaching from about 1 micron on the short side to hundreds of microns (depending on whether one wants to separate a distinct microwave portion of the spectrum) Starlight, line emission, and especially the thermal emission from dust grains warmed by various processes can be detected in the infrared An important feature is that infrared radiation is much less subject to dimming by dust grains than optical or ultraviolet radiation, so we can see deeper into dusty regions at these wavelengths
infrared: electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm
infrared: Infrared equipment detects infrared radiation. searching with infra-red scanners for weapons and artillery
infrared: electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
infrared: having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end; "infrared radiation"; "infrared photography"
infrared: A communication medium that employs wavelengths longer than those of visible light
infrared: A band of the electromagnetic spectrum used for airwave communications and some fiber-optic transmission systems Infrared is usually used for short range (up to 20 feet) and through-the-air data transmission See also IrDA (Back to top )
infrared: Electromagnetic waves whose frequency range is above that of microwaves, but below that of the visible spectrum
infrared: infera = [Lat] below Infrared radiation or light is a kind of electromagnetic radiation with wavelengths just beyond and frequencies just below those of visible light Humans perceive infrared radiation as "heat radiation", which is one way of energy transport
infrared: {s} pertaining to the invisible electromagnetic radiation situated outside of the visible red end of the spectrum
infrared: The long wave, electromagnetic radiation of radiant heat emitted by all hot objects On the electromagnetic spectrum, it can be found between microwave radiation and visible light Water vapor, ozone, and carbon dioxide are efficient at absorbing or transmitting infrared radiation
infrared: the infrared part of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; "they could sense radiation in the infrared"
infrared: - A part of the electromagnetic spectrum that is the invisible to the human eye Wireless remote controls use infrared signal to send control signals to components
infrared: (IR): The region of the electromagnetic spectrum bounded by the long-wavelength extreme of the visible spectrum (about 0 7 µm) and the shortest microwaves (about 0 1 µm)
infrared: A band of the electromagnetic Spectrum between the visible and the microwave, i e light that is so red humans cannot see it Photons of infrared light are less energetic than photons of visible light
infrared: That portion of the spectrum, with longer wavelengths, which lies beyond the visible wavelengths For CRI devices, wavelengths between 750 nm and 1000 nm are considered "near- infrared" (NIR) For CRI devices, wavelengths between 1000 nm and 2000 nm are considered "mid- infrared" (MIR) [CRI, Inc US, Photon University Glossary] http: //www cri-inc com/photon/glossary shtml

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