Accurate Wavelength Measurements of the Absorption Lines in H<sub>2</sub>O Vapor by a 0.8 µm AlGaAs Laser

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Published
1984-02-01
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  • https://iopscience.iop.org/page/copyright
  • https://iopscience.iop.org/info/page/text-and-data-mining
DOI
  • 10.1143/jjap.23.l117
Publisher
IOP Publishing

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<jats:p>The first results of accurate measurements of vacuum wavelengths of six spectral lines of a (2, 1, 1) vibration band in H<jats:sub>2</jats:sub>O were presented using a 0.8 µm AlGaAs laser. For these measurements, the technique known as the coincidence method was employed using a stabilized He–Ne laser as a wavelength standard. Accidental error was kept between 1.7×10<jats:sup>-7</jats:sup>and 5.5×10<jats:sup>-8</jats:sup>. Systematic error was estimated as being 2.0×10<jats:sup>-8</jats:sup>.</jats:p>

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