Spectroscopy | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-24

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Spectroscopy


00:01:10 1 Introduction
00:03:08 2 Theory
00:05:37 3 Classification of methods
00:06:01 3.1 Type of radiative energy
00:07:12 3.2 Nature of the interaction
00:09:25 3.3 Type of material
00:09:41 3.3.1 Atoms
00:11:19 3.3.2 Molecules
00:12:23 3.3.3 Crystals and extended materials
00:13:17 3.3.4 Nuclei
00:13:40 4 Other types
00:19:03 5 Applications
00:19:32 6 History
00:21:09 7 See also



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SUMMARY
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Spectroscopy  is the study of the interaction between matter and electromagnetic radiation. Historically, spectroscopy originated through the study of visible light dispersed according to its wavelength, by a prism. Later the concept was expanded greatly to include any interaction with radiative energy as a function of its wavelength or frequency, predominantly in the electromagnetic spectrum, though matter waves and acoustic waves can also be considered forms of radiative energy; recently, with tremendous difficulty, even gravitational waves have been associated with a spectral signature in the context of LIGO and laser interferometry. Spectroscopic data are often represented by an emission spectrum, a plot of the response of interest as a function of wavelength or frequency.
Spectroscopy, primarily in the electromagnetic spectrum, is a fundamental exploratory tool in the fields of physics, chemistry, and astronomy, allowing the composition and structure of matter to be investigated at molecular scale, macro scale, and over astronomical distances. Important applications arise from biomedical spectroscopy in the areas of tissue analysis and medical imaging.