Primary gas thermometry by means of laser-absorption spectroscopy: Determination of the Boltzmann constant

Article, Preprint English OPEN
Casa, G.; Castrillo, A.; Galzerano, G.; Wehr, R.; Merlone, A.; Di Serafino, D.; Laporta, P.; Gianfrani, L.;
(2008)
  • Related identifiers: doi: 10.1103/PhysRevLett.100.200801
  • Subject: Condensed Matter - Statistical Mechanics | Doppler effect — Molecular spectra — Fundamental metrology —
    arxiv: Astrophysics::Galaxy Astrophysics

We report on a new optical implementation of primary gas thermometry based on laser absorption spectrometry in the near infrared. The method consists in retrieving the Doppler broadening from highly accurate observations of the line shape of the R(12) $\nu_{1} + 2 \nu_{... View more
  • References (15)
    15 references, page 1 of 2

    § Electronic address: livio.gianfrani@unina2.it

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