High power operation of a CW 28 μm water vapor laser |
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Authors: | P Belland |
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Institution: | Association Euratom-CEA Sur La Fusion, Départment de Recherches sur la Fusion Contrôlée, Centre d''Etudes Nucléaires, Boit?e Postale no 6. 92260 Fontenay-aux-Roses, France |
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Abstract: | This paper describes the best operating conditions and power performance of a CW 28 μm water vapor laser, using a 3 m long discharge in a 3 cm diameter Pyrex glass tube. The laser cavity is a half symmetric conventional Fabry-Perot resonator, the plane mirror of which is a metal mesh used as an output coupler. The addition of a large amount of hydrogen to the water vapor leads to the production of high power laser emission. This laser delivers 230 mW of continuous output at 28 μm, corresponding to a volumetric power of 102 μW/cm3, the highest value ever reported. |
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