Difference between revisions of "Infrared radiation"

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== Description ==
 
== Description ==
  
The portion of the [http://cameo.mfa.org/materials/fullrecord.asp?name=electromagnetic%20radiation electromagnetic spectrum] with wavelengths ranging from 0.7 - 500 micrometers, or wavenumbers of 14,000 - 20 cm-1. Infrared radiation is expressed as wavenumbers, rather than the wavelengths used for [http://cameo.mfa.org/materials/fullrecord.asp?name=visible%20radiation visible] and [http://cameo.mfa.org/materials/fullrecord.asp?name=ultraviolet%20radiation ultraviolet] radiation, because wavenumbers are directly proportion to the energy.
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The portion of the [http://cameo.mfa.org/materials/fullrecord.asp?name=electromagnetic%20radiation electromagnetic spectrum] with wavelengths ranging from 0.7 - 500 micrometers, or wavenumbers of 14,000 - 20 cm-1.
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Infrared  radiation (often called IR) was discovered by the German-British physicist William Herschel in 1800.
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Infrared radiation is involved in examination or analysis techniques like infrared photography, infrared reflectometry, infrared thermography, infrared spectroscopy...
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== Synonyms and related termes ==
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infrared, IR;  rayonnement infrarouge, infrarouge (Fr.);
  
 
== Authority ==
 
== Authority ==

Revision as of 07:27, 18 September 2013

Description

The portion of the electromagnetic spectrum with wavelengths ranging from 0.7 - 500 micrometers, or wavenumbers of 14,000 - 20 cm-1. Infrared radiation (often called IR) was discovered by the German-British physicist William Herschel in 1800. Infrared radiation is involved in examination or analysis techniques like infrared photography, infrared reflectometry, infrared thermography, infrared spectroscopy...

Synonyms and related termes

infrared, IR; rayonnement infrarouge, infrarouge (Fr.);

Authority

  • Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988

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