Far-infrared - Factbites

Far-infrared - Factbites
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Topic: Far-infrared

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	Infrared - Wikipedia, the free encyclopedia
		The common nomenclature is justified by the different human response to this radiation: near infrared is the region closest in wavelength to the radiation detectable by the human eye, mid and far infrared are progressively further from the visible regime.
		Infrared radiation is used in infrared saunas to heat the sauna's occupants, and to remove ice from the wings of aircraft (de-icing).
		The discovery of infrared radiation is commonly ascribed to William Herschel, the astronomer, in the early 19th century.
	en.wikipedia.org /wiki/Infrared (1356 words)

	Infrared
		Infrared is used extensively in specially-designed ovens for drying painted and enameled surfaces, leather, metals, papers and textiles.
		The detection of infrared radiation is used by astronomers to observe stars that are invisible in ordinary light or emit radiation.
		Infrared devices were used during WW2 and enabled sharpshooters to see their targets in total darkness.
	www.smgaels.org /physics/infrar_1.htm (419 words)

	INFRARED PHOTOGRAPHY
		Infrared photographs have been used for the construction of charts, the study of sandbars and silting of navigable channels, the control of erosion and pollution, the charting of currents, and the study of marine life.
		Infrared photography is of interest to the amateur and commercial photographer and to scientists and technologists because it produces images that are not possible with conventional photographic films.
		In infrared photographs made outdoors from the ground or from the air, grasses and the foliage of deciduous trees appear white because of the high near-infrared transmission characteristic of green chlorophyll and the high infrared reflectance of the underlying cellulosic structure of these subjects.
	www.rit.edu /~andpph/text-infrared-basics.html (3854 words)

	Infrared photography - Wikipedia, the free encyclopedia
		Infrared photography is usually not practical with these cameras because the exposure times become overly long, creating noise and motion blur in the final image.
		Infrared image of the Mississippi River crossed by a bridge and a dam, between red foliage on left, and blue parking lots and buildings on right.
		Infrared photography became popular with 1960s recording artists, because of its unusual appearance; Jimi Hendrix, Donovan and the Grateful Dead all issued albums with infrared cover photos.
	en.wikipedia.org /wiki/Infrared_photography (360 words)

	Spitzer Science: Why Infrared?
		The infrared region is the part of the electromagnetic spectrum stretching from about 1 micron (near-infrared) to 200 microns (far-infrared).
		Infrared observations are therefore of particular importance in studying low-temperature environments such as dusty interstellar clouds where stars are forming and the icy surfaces of planetary satellites and asteroids.
		Many atoms and ions have spectral features in the infrared which can be used for diagnostic studies of stellar atmospheres and interstellar gas, exploring regions which are too cool or too dust-enshrouded to be reached with optical observations.
	www.spitzer.caltech.edu /science/whyir/index.shtml (484 words)

	Infrared Spectroscopy
		Infrared spectrometers, similar in principle to the UV-Visible spectrometer described elsewhere, permit chemists to obtain absorption spectra of compounds that are a unique reflection of their molecular structure.
		Infrared spectra may be obtained from samples in all phases (liquid, solid and gaseous).
		Photon energies associated with this part of the infrared (from 1 to 15 kcal/mole) are not large enough to excite electrons, but may induce vibrational excitation of covalently bonded atoms and groups.
	www.cem.msu.edu /~reusch/VirtualText/Spectrpy/InfraRed/infrared.htm (1310 words)

	Infrared Waves
		The longer, far infrared wavelengths are about the size of a pin head and the shorter, near infrared ones are the size of cells, or are microscopic.
		"Near infrared" light is closest in wavelength to visible light and "far infrared" is closer to the microwave region of the electromagnetic spectrum.
		Infrared film 'sees' the object because the Sun (or some other light source) shines infrared light on it and it is reflected or absorbed by the object.
	imagers.gsfc.nasa.gov /ems/infrared.html (1181 words)

	Electromagnetic Spectrum
		Infrared spectrometers are widely used to study the vibrational spectra of molecules.
		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.
		In interactions with matter, infrared primarily acts to set molecules into vibration.
	hyperphysics.phy-astr.gsu.edu /hbase/ems3.html (537 words)

	INFRARED ASTRONOMY - Overview
		Infrared Astronomy is the detection and study of the infrared radiation (heat energy) emitted from objects in the Universe.
		In the field of astronomy, the infrared region lies within the range of sensitivity of infrared detectors, which is between wavelengths of about 1 and 300 microns (a micron is one millionth of a meter).
		In the infrared, where planets have their peak brightness, the brightness of the star is reduced, making it possible to detect a planet in the infrared.
	www.ipac.caltech.edu /Outreach/Edu/importance.html (1093 words)

	Infrared
		The infrared segment of the electromagnetic spectrum is divided into 3 segments by wavelength, measured in microns or micrometers (a micron = 1/1,000,000 of a meter); 0.076 ~ 1.5 microns = near or close; 1.5 ~ 5.6 = middle or intermediate; 5.6 ~ 1,000 = far or long wave infrared.
		Infrared healing is now becoming the leading edge in the care of soft tissue injuries to promote both relief in chronic or intractable "permanent" cases, and accelerated healing in newer injuries.
		Thus an infrared based system can warm its user(s) to a much greater depth and much more efficiently than a conventional sauna, as its energy output is primarily used to convert energy directly to heat in us and not to create excessively hot air that then only heats the skin superficially.
	www.herbalenium.com /sauna/infrared.htm (5093 words)

	What is Infrared?
		Infrared energy is invisible to the human eye, however, while visible light energy is emitted by objects only at a very high temperature, infrared energy is emitted by all objects at ordinary temperatures.
		Infrared energy from objects in a scene are focused by optics onto an infrared detector.
		Infrared is an energy similar to visible light, but with a longer wavelength.
	www.infrared.com /what_is_infrared.htm (181 words)

	Infrared
		Infrared scanners, which are mounted on the belly of an aircraft, locate hot spots within and outside the fire's perimeter.
		Infrared imagery is gathered during the night when temperatures between the terrain and fire differ the most, making it easier to pinpoint heat sources.
		Infrared aircraft fly parallel strips across the fire while a technician adjusts the contrast settings of the images that appear on monitors or television screens inside the aircraft.
	www.nifc.gov /nifctour/infrar.html (270 words)

	Infrared Windows
		Since most infrared light is blocked by our atmosphere, infrared astronomers have placed instruments onboard, rockets, balloons, aircraft and space telescopes to view regions of the infrared which are not detectable from the ground.
		This atmospheric infrared emission peaks at a wavelength of about 10 microns (micron is short for a micrometer or one millionth of a meter).
		So the best view of the infrared universe, from ground based telescopes, are at infrared wavelengths which can pass through the Earth's atmosphere and at which the atmosphere is dim in the infrared.
	www.ipac.caltech.edu /Outreach/Edu/Windows/irwindows.html (611 words)

	Infrared LED Flashlights - Powerful, portable IR illuminators for Night Vision equipment
		Infrared Photon Freedom Fusion: this multi-led infrared flashlight converts from a handheld light to a headlamp (with included headstrap) and may also be used as a table lamp or attached to a belt or shoulder strap using the included clothing clip.
		Infrared Photon lights work well with nearly all night vision goggles, monoculars, and scopes, however we have had mixed results with some lower end digital cameras and video cameras.
		Infrared Photon Freedom Micro: the newest micro-light in the Photon family of keychain LED flashlights offers fully adjustable brightness level and strobe functions.
	www.photonlight.com /products/infrared_photons.html (543 words)

	What is Infrared Radiation?
		Astronomers have found that infrared radiation is especially useful when trying to probe areas of our universe that are surrounded by clouds of gas and dust.
		A rainbow shows the optical (visible) part of the Electromagnetic Spectrum and infrared (if you could see it) would be located just beyond the red side of the rainbow.
		Because of infrared's longer wavelength, it can pass right through these clouds and reveal details invisible by observing other types of radiation.
	www.gemini.edu /public/infrared.html (393 words)

	CoCam: Infrared Photography - Infrared FAQ
		Infrared light is reflected from the camera film pressure plate back onto the film and records as halos if the pressure plate is flat and without "dimples".
		Using a modified camcorder with sensitivity in the infrared light range, he was able to see the IR sensors light up as the film moved across the film gate of the camera.
		Infrared photography uses films that are sensitive to both the light we can see and some of the longer length (above 700 nm) infra-red radiation.
	www.cocam.co.uk /CoCamWS/Infrared/INFRARED.HTM (11965 words)

	Infrared
		Infrared light rays are beyond the human perception, and require some adjustments in the photographers perception and camera settings, along with specific filters.
		The Painted Hay infrared photo on the right is a good example of how the sun-drenched hay "glows" from the reflected infrared light onto the film.
		And notice how the clouds in the sky reacted to the infrared film, while the sky itself and the fence are almost black.
	www.dinahsatterwhite.com /Infrared.htm (359 words)

	Infrared Resources for Thermographers
		Infrared thermography is an exciting technology with diverse applications used in numerous industries.
		Snell Infrared is an independent and unbiased thermographic training company with in-depth knowledge of all brands of thermal imaging cameras.
		Snell Infrared designed this site to give information to those considering getting started with infrared thermography, and to practicing thermographers who want to learn more about thermographic applications and the theory behind them.
	www.snellinfrared.com (213 words)

	Infrared Photography - Some Personal Experiences
		Infrared photography allows us to see familiar subjects in a totally different light (pun intended ;-) therefore combining creative as well as explorative approaches.
		Infrared Photography at the at the Royal Melbourne Institute of Technology
		Another subject that is naturally related to infrared photography is lith printing.
	www.pauck.de /marco/photo/infrared/infrared.html (203 words)

	infrared
		InfraRed light emitted by IR Diodes is pulsated at 36 thousand times per second, when transmitting logic level "1" and silence for "0".
		During inactivity (no Infrared present) the output of the Infrared receiver is UP (bit zero).
		It means that those 3 dollars small units, have an output pin that goes high (+5V) when there is a pulsating 36kHz infrared in front of it, and zero volts when there is not this radiation.
	www.ustr.net /infrared/infrared1.shtml (3411 words)

	Infrared
		Infrared photography fascinated me the moment I saw my first print.
		If you are interested in learning more about Infrared photography, you should see the Infra-Red photography FAQ and the section at
		Although not shown on this site for technical reasons, I even ventured out into 4 X 5 Infrared prints for a while, even though this makes the process even harder.
	www.infowire.net /photo/Infrared/infrared.html (152 words)

	LSU Libraries--Chemistry Resources-- Spectra and Spectral Data: Guide to Reference Sources
		Infrared atlas of spectral data for monomers, polymers and polymerization.
		Infrared, Ultraviolet, and Visible Absorption Spectra of some USP and NF Reference Standards and Their Derivatives.
		Tables of high resolution infrared spectra of inorganics and related compounds.
	www.lib.lsu.edu /sci/chem/guides/srs112.html (1906 words)

	Purchase any Infrared Repeater - Infrared Emitter - Infrared Repeaters
		The D250 is an infrared controller that replicates the operation of a wide variety of I/R remotes, including high frequency carrier (up to 455kHz), "rotating codes," and accurate "repeat" functionality.
		The CLMIRTES Compose Infrared Remote Control is about the size of a Credit Card and provides for Control of up to Four Different Rooms with Five Scenes per Room plus "All On" and "All Off" as well as Dim Ramp.
		Open House H933 Infrared Receiver works in conjunction with the H838BID and H500 Series Modulators (sold separately) to transmit IR signals from one location to the "Head End" via exisitng Coaxial Cable.
	iautomate.com /infrared.html?TESTSESSID=bab3f6ce2e077ad717e65d0a3246... (703 words)

	Technorati Tag: infrared
		RevitaMed infrared therapy offers the latest in PILT technology Infrared therapy is recognized to increase circulation and reduce pain, Offering the...
		In last years many infrared sauna brands manufactured in Asia appeared on the market.
		Infrared Cameras Including Infrared Security Cameras - Infrared Systems Infrared Systems offers infrared cameras and security systems.
	www.technorati.com /tag/infrared (344 words)

	Infrared
		The infrared filter is almost opaque to my eyes, but not to my Nikon's CCD.
		A quick experiment with the TV remote control demonstrated that my camera could see infrared.
		» Archive » 2005 » May » May, 06 » infrared {
	norman.walsh.name /2005/05/06/infrared (213 words)

	Spectral Selectivity
		Spectral selectivity is a technique for creating images which uses intentionally limited ranges of radiation in the ultraviolet, visible or infrared portions of the spectrum.
		Modern photographic materials are available with sensitive to a wide portion of the spectrum, ranging from 250 nanometers (ultraviolet) to 925 nanometers (infrared).
		- Measuring the health of conifers with infrared
	www.photo.net /photo/edscott/spectsel (485 words)

	ECHENG.COM: Eric Cheng, Digital Infrared Photography
		I found that the Nikon Coolpix 950 was capable of producing high quality infrared images when used in conjunction with #87 and #87C filters.
		Consumer digital cameras use hot mirror filters to filter out infrared light, but some infrared light gets through, which is what we're interested in capturing.
		When the Nikon Coolpix 990 was released, it was discovered that Nikon (or the CCD supplier) had improved the hot mirror filters in the camera, necessiting the use of different filters to effectively capture infrared light (#88A or #89B filters).
	www.echeng.com /photo/infrared (905 words)

	Infra Red Data Cables MA660, MA620, Cheap
		The MA-660 USB Infrared Adapter comes with FREE downloadable updates as more and more handsets are supported and added each day as more models are released, so you simply download the latest software version when you upgrade/change your mobile phone without the need to go out and spend more of your hard earned money.
		The MA-660 USB Infrared Adapter can be installed effortlessly, and with more and more handsets supported each day, so you simply download the latest software when you upgrade your phone.
		Because these Infrared Adapters are compatible with many other mobile phone models and software packages, other than just the packaged Handset Manager Software that comes with the adapters.
	www.fonefunshop.co.uk /infrared/infrared.htm (1431 words)

	Infrared Therapy Rooms for improved health, relaxation, and well-being
		The far-infrared radiant heat induces a deep sweat – for cleansing the body and for burning calories.
		The amount and positioning of the heat sources are specially harmonized to the particular Infrared room's design and size.
		An Infrared Therapy Room provides soothing heat, directly radiated to the body, with almost no time waiting for preheating.
	www.finnleo.com /infrared.htm (504 words)

	NOAA GOES East DATA - EASTERN US IR
		In an infrared (IR) image cold clouds are high clouds, so the colors typically highlight the colder regions.
		In a water vapor image, white areas indicate moisture and dark areas indicate little or no moisture, so the colors typically highlight areas with large amounts of moisture.
		Color enhanced imagery is a method meteorologists use to aid them with satellite interpretation.
	www.goes.noaa.gov /ECIR4.html (168 words)

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