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Experimental investigation of the MIR optically pumped ammonia bidirectional ring laser

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Abstract

We have studied the Doppler-broadened 11.76 μm 15NH3 emission line optically pumped in a ring resonator by a cw CO2 laser operating on the 10R(42) line. In the pure ammonia, even if the pumping occurs inside the Doppler width, the two-photon Raman process seems to be responsible for the laser emission. Both in the pure 15NH3 and in the 15NH3, N2, and He mixture we demonstrate the possibility of obtaining a unidirectional laser amplifier.

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Authors and Affiliations

  1. Laboratoire d'Optique Appliquée, Ecole Polytechnique-ENSTA, Centre de l'Yvette, F-91120, Palaiseau, France

    P. Wazen & G. L. Bourdet

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  1. P. Wazen
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  2. G. L. Bourdet
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This work has been supported by Direction des Recherches Etudes et Techniques under contract No. 87/222

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Wazen, P., Bourdet, G.L. Experimental investigation of the MIR optically pumped ammonia bidirectional ring laser. Appl. Phys. B 49, 377–381 (1989). https://doi.org/10.1007/BF00324189

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  • DOI: https://doi.org/10.1007/BF00324189

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