Concept information
Preferred term
spectrometry
Definition(s)
- Spectroscopy is the field of study that measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter as a function of the wavelength or frequency of the radiation. Matter waves and acoustic waves can also be considered forms of radiative energy, and recently gravitational waves have been associated with a spectral signature in the context of the Laser Interferometer Gravitational-Wave Observatory (LIGO). In simpler terms, spectroscopy is the precise study of color as generalized from visible light to all bands of the electromagnetic spectrum. Historically, spectroscopy originated as the study of the wavelength dependence of the absorption by gas phase matter of visible light dispersed by a prism. Spectroscopy, primarily in the electromagnetic spectrum, is a fundamental exploratory tool in the fields of astronomy, chemistry, materials science, and physics, allowing the composition, physical structure and electronic structure of matter to be investigated at the atomic, molecular and macro scale, and over astronomical distances. Important applications include biomedical spectroscopy in the areas of tissue analysis and medical imaging. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Spectroscopy)
Broader concept(s)
Narrower concept(s)
- 21-centimeter line
- absorption line
- absorption spectrum
- Balmer line
- continuous spectrum
- coronal line
- discrete spectrum
- D line
- emission line
- emission spectrum
- energy spectrum
- equivalent width
- forbidden line
- forbidden transition
- Franck-Condon principle
- Fraunhofer line
- Hanle effect
- infrared spectrum
- K line
- line broadening
- line width
- Lyman-alpha line
- Lyman-beta line
- Lyman line
- mass spectrum
- noise spectrum
- Paschen lines
- power spectrum
- radio recombination line
- radio spectrum
- recombination line
- resonance line
- spectral bandwidth
- spectral line shape
- spectrophotometry
- spectropolarimetry
- Stark effect
- stellar spectrum
- Stokes' law
- ultraviolet spectrum
- Zeeman effect
Synonym(s)
- spectroscopy
In other languages
-
French
-
spectrographie
-
spectroscopie
URI
http://data.loterre.fr/ark:/67375/MDL-WG7GT71P-S
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