The illumination of potassium vapour by means of a c.w. dye-laser resonant with the fundamental 4S--~ 4_/' transitions results in the excitation of high-lying atomic and molecular states. In the present paper we report a spectroscopic study of this phenomenon and experimental evidence that the mechanisms responsible for the population of some of the levels not directly excited by the laser involve the creation of a plasma in the vapour.
Resonant Laser Excitation of Potassium Vapour: Experimental Investigation of Energy-Pooling Collisions and Plasma Production
Savino P
1982
Abstract
The illumination of potassium vapour by means of a c.w. dye-laser resonant with the fundamental 4S--~ 4_/' transitions results in the excitation of high-lying atomic and molecular states. In the present paper we report a spectroscopic study of this phenomenon and experimental evidence that the mechanisms responsible for the population of some of the levels not directly excited by the laser involve the creation of a plasma in the vapour.File in questo prodotto:
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