infrared meaning
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Definitions &Translations Freebase (5.00 / 1 vote) Rate this definition: Infrared. Infrared light is electromagnetic radiation with longer wavelengths than those of visible light, extending from the nominal red edge of the visible spectrum at 700 nanometres to 1 mm.
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electromagnetic radiation infrared radiation. the portion of the spectrum of electromagnetic radiation of wavelengths ranging between 0.75 and 1000 μm. See also infrared. radiation injury. is caused by exposure to radioactive material. High doses cause intense diarrhea and dehydration and extensive skin necrosis.
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What is Far Infrared? What is Far Infrared? Infrared (meaning below red) is a band of light that we can only perceive as heat or through technological advances. We can feel the effects of infrared light on our bodies. Similar to standing in the sun on a cold winter day, we feel warmer even though the temperature around us has not changed.
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Definitions &Translations infrared, infrared frequency(noun) the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range. they could sense radiation in the infrared.
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Infrared Spectroscopy Infrared Spectroscopy. (also IR spectroscopy), the branch of spectroscopy that includes the production, study, and use of emission, absorption, and reflection spectra in the infrared region of the spectrum.nfrared spectroscopy is used in the study of the structure of semiconductors, polymers, biological entities, and living cells. High-speed spectrometers make it possible to obtain absorption spectra in fractions of a second and are used in the study of rapidly transpiring chemical reactions.
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Infrared Infrared radiation extends from the nominal red edge of the visible spectrum at 700 nanometers (nm) to 1 mm. This range of wavelengths corresponds to a frequency range of approximately 430 THz down to 300 GHz. Below infrared is the microwave portion of the electromagnetic spectrum.nfrared lasers are used to provide the light for optical fiber communications systems. Infrared light with a wavelength around 1,330 nm (least dispersion) or 1,550 nm (best transmission) are the best choices for standard silica fibers.
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Wavelength of Light Wavelength of Infrared Light : Infrared (IR) radiation belongs to electromagnetic radiation spectrum. Infrared has a longer wavelength than visible light. Infrared is close to red colour in visible spectrum and hence it is sort of redder-than-red light or beyond red light, that is why the name infrared.
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infrared radiation (IR) infrared radiation (IR) Infrared radiation (IR) or the term infrared alone refers to energy in the region of the electromagnetic radiation spectrum at wavelengths longer than those of visible light,but shorter than those of radio waves. Correspondingly, the frequencies of IR are higher than those ofmicrowaves, but lower than those of visible light.
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What is Thermography! Infrared thermography is the use of an infrared thermal imaging system to detect, display, and record thermal patterns and temperature values across a given surface. The concept of infrared thermography is simple (how does thermal imaging work).All objects above absolute zero or zero Kelvin emit infrared radiation.While infrared energy is invisible to the human eye, it is detectable with a thermal imager, also known as an infrared camera.he concept of infrared thermography is simple (how does thermal imaging work). All objects above absolute zero or zero Kelvin emit infrared radiation. While infrared energy is invisible to the human eye, it is detectable with a thermal imager, also known as an infrared camera.
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Thermographic camera Infrared energy is just one part of the electromagnetic spectrum, which encompasses radiation from gamma rays, x-rays, ultra violet, a thin region of visible light, infrared, terahertz waves, microwaves, and radio waves.
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- Most of us are quite familiar with infrared radiation. We have seen infrared lamps keep food hot and often associate infrared radiation with heat. While the generation of heat is a probable event following the absorption of infrared radiation, it is important to distinguish between the two. Infrared is a form of radiation that can travel through a vacuum while heat is associated with the motion and kinetic energy of molecules.
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- Infrared radiation was discovered in 1800 by astronomer Sir William Herschel, who discovered a type of invisible radiation in the spectrum lower in energy than red light, by means of its effect upon a thermometer.
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- Infrared (IR) Spectroscopy 2.1. Introduction Infrared spectroscopy is an absorption method in the wavelength region of 1 to 100 µm inthat extends the region of the visible light to longer wavelengths and smallerfrequencies/energies.
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- Infrared radiation extends from the nominal red edge of the visible spectrum at 700 nanometers (nm) to 1 mm. This range of wavelengths corresponds to a frequency range of approximately 430 THz down to 300 GHz.
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Infrared Infrared (IR) radiation is a type of electromagnetic radiation (a wave with electricity). The wave is longer than light which humans can see and shorter than microwaves. The word infrared means below red. It comes from the Latin word infra (meaning below) and the English word red. (Infrared light has a frequency below the frequency of red light.) Red light has the longest wavelength that human eyes can see. Infrared waves cannot be seen by the eye.
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What Is Infrared Used For? Infrared is used for keeping things warm, reading information and checking heat. The uses for infrared technology are so diverse because infrared not only detects heat but produces heat in objects that it strikes.
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- Infrared radiation lies between the visible and microwave portions of the electromagnetic spectrum. Infrared waves have wavelengths longer than visible and shorter than microwaves, and have frequencies which are lower than visible and higher than microwaves.
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IR wireless (infrared wireless) IR wireless (infrared wireless) IR wireless is the use of wireless technology in devices or systems that convey data through infrared (IR) radiation. Infrared is electromagnetic energy at a wavelength or wavelengths somewhat longer than those of red light.
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Infrared Infrared. The term infrared refers to a broad range of frequencies, beginning at the top end of those frequencies used for communication and extending up the the low frequency (red) end of the visible spectrum. The wavelength range is from about 1 millimeter down to 750 nm.
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infrared Definition of infrared. 1 : situated outside the visible spectrum at its red end —used of radiation having a wavelength between about 700 nanometers and 1 millimeter. 2 : relating to, producing, or employing infrared radiation infrared therapy.
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Infrared Infrared radiation is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore invisible to the human eye. It is sometimes called infrared light.
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Infrared Waves: Definition, Uses & Examples The most common use of infrared in everyday life is remote controls. These work by sending pulses of infrared that spell out a message to an electronic device. This device could be a television, blu-ray player, or even a computer.
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Definitions &Translations Infrared radiation is used in industrial, scientific, and medical applications. Night-vision devices using active near-infrared illumination allow people or animals to be observed without the observer being detected.
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Infrared Radiation: Definition, Uses & Effects Lesson Summary. Infrared radiation is made up of electromagnetic waves with a wavelength between 700 nm (nanometers) and 1 mm, just beyond what our eyes can detect on the red side of the spectrum. Most warm objects in our everyday experiences emit infrared, and half of the energy produced by the Sun is also infrared.his lesson will explain what infrared radiation is, and discuss a number of practical uses and effects of infrared, including its connection to climate change and the way the atmosphere responds to infrared waves.
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- Infrared generally refers to the portion of the EM spectrum that begins just beyond the red portion of the visible. region, and extends to the microwave region at longer wavelengths. Most astronomers measure the wavelength of. IR radiation in microns (µm), or millionths of a meter. A human hair, for example, is about 70 µm. wide. The visible spectrum extends from about 0.4 µm (violet) to 0.7 µm (red), and the infrared spans the broad. region up to hundreds of microns.
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What is Infrared Spectroscopy? exists and is an alternate of . Infrared spectroscopy, or IR spectroscopy, is a method of spectroscopy used by organic chemists to help determine the structure of an unknown molecule. An IR spectrum will have peaks based on how much light was visible when shone through different parts of the molecule.