Geodesic
The measurement of the line-width of CO$_2$ hybrid pulsed single-mode laser generation
Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 2 (1990), pp. 54-57 
A. R. Arutyunyan; S. G. Haroutiunian; A. E. Kornilov. The measurement of the line-width of CO$_2$ hybrid pulsed single-mode laser generation. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 2 (1990), pp. 54-57. http://geodesic.mathdoc.fr/item/UZERU_1990_2_a6/
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     author = {A. R. Arutyunyan and S. G. Haroutiunian and A. E. Kornilov},
     title = {The measurement of the line-width of {CO}$_2$ hybrid pulsed single-mode laser generation},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {54--57},
     year = {1990},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1990_2_a6/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The results of CO$_2$ hybrid laser generation line-width measurements are reported in the paper. The optic configuration of the laser system is described. The maximum and minimum of interferentional signal are determined. From respective equation system the coherency $\gamma=0.68$ and coherence length $L_{coh}=120±20~m$ have been determined and the possibility to obtain a generation of $10.6~\mu m$ in narrow line less than $10^{-4}cm^{-1}$ is shown.

[1] V. Demtreder, Lazernaya spektroskopiya: osnovnye printsipy i tekhnika eksperimenta, Nauka, M., 1985, 607

[2] G. S. Landsberg, Optika, Nauka, M., 1972

[3] V. V. Bulanin, A. V. Petrov, “Issledovanie raboty gibridnogo CO$_2$ lazera”, Optika i spektroskopiya, 3:45 (1979)