[Détermination expérimentale de la largeur Doppler d'une raie d'absorption moléculaire rovibrationnelle en utilisant une diode laser asservie à l'aide d'un peigne de fréquences]
Dans un article précédent, nous avons publié les résultats obtenus pour l'observation du profil des raies d'une transition dans l'acétylène 13C dans le proche infrarouge. Ce travail a été effectué en utilisant un spectrométre à diode laser accordable, la fréquence du signal étant pilotée à l'aide d'un peigne de fréquences optiques [K.M.T. Yamada et al., J. Mol. Spectrosc. 249 (2008) 95–99]. Dans le présent article nous décrivons la méthode expérimentale employée et nous approfondissons l'analyse permettant de déduire de nos résultats une détermination de la constante de Boltzmann
We had reported in a previous paper the precision measurement of line profiles of a transition of 13C acetylene in the near-infrared region, employing a tunable diode-laser spectrometer, the frequency of which is locked to an optical-comb signal [K.M.T. Yamada et al., J. Mol. Spectrosc. 249 (2008) 95–99]. In the present article we review the methodology for the experiment and the analysis in determining the Boltzmann constant from the Doppler width of a rovibrational transition on the basis of our experiences. Problems to be surmounted for further improvement in accuracy are discussed.
Mots-clés : Constante de Boltzmann, Largeur Doppler, Spectroscopie IR, Peigne de frequences, Acétylène
Koichi M.T. Yamada 1 ; Atsushi Onae 2 ; Feng-Lei Hong 2 ; Hajime Inaba 2 ; Tadao Shimizu 2
@article{CRPHYS_2009__10_9_907_0, author = {Koichi M.T. Yamada and Atsushi Onae and Feng-Lei Hong and Hajime Inaba and Tadao Shimizu}, title = {Precise determination of the {Doppler} width of a rovibrational absorption line using a comb-locked diode laser}, journal = {Comptes Rendus. Physique}, pages = {907--915}, publisher = {Elsevier}, volume = {10}, number = {9}, year = {2009}, doi = {10.1016/j.crhy.2009.10.011}, language = {en}, }
TY - JOUR AU - Koichi M.T. Yamada AU - Atsushi Onae AU - Feng-Lei Hong AU - Hajime Inaba AU - Tadao Shimizu TI - Precise determination of the Doppler width of a rovibrational absorption line using a comb-locked diode laser JO - Comptes Rendus. Physique PY - 2009 SP - 907 EP - 915 VL - 10 IS - 9 PB - Elsevier DO - 10.1016/j.crhy.2009.10.011 LA - en ID - CRPHYS_2009__10_9_907_0 ER -
%0 Journal Article %A Koichi M.T. Yamada %A Atsushi Onae %A Feng-Lei Hong %A Hajime Inaba %A Tadao Shimizu %T Precise determination of the Doppler width of a rovibrational absorption line using a comb-locked diode laser %J Comptes Rendus. Physique %D 2009 %P 907-915 %V 10 %N 9 %I Elsevier %R 10.1016/j.crhy.2009.10.011 %G en %F CRPHYS_2009__10_9_907_0
Koichi M.T. Yamada; Atsushi Onae; Feng-Lei Hong; Hajime Inaba; Tadao Shimizu. Precise determination of the Doppler width of a rovibrational absorption line using a comb-locked diode laser. Comptes Rendus. Physique, Experimental determination of Boltzmann's constant, Volume 10 (2009) no. 9, pp. 907-915. doi : 10.1016/j.crhy.2009.10.011. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2009.10.011/
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