A potential hydroxyl ultraviolet laser |
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| Authors: | CH Chen MG Payne |
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| Institution: | Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA |
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| Abstract: | A strong emission band extending from 3060 to 3120 Å was observed following proton beam excitation of an Ar-H2O mixture. This emission band was assigned to the transition of OH(A2Σ+)υ=0 → OH(X2Π)υ=0. At high argon partial pressure (> 200 torr), the precursor of this emission band is believed to be the argon excimer Ar★2(1u). The fluorescence efficiency of Ar-H2O is estimated to be a factor of 4 times that of Ar-N2. Development of a highly efficient, tunable uv laser by e-beam pumping is promising. |
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