作者: G. Alzetta , L. Moi , G. Orriols
DOI: 10.1007/BF02739035
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摘要: The fluorescence intensity of a sodium vapour excited by multimode dye-laser is observed as function the applied magnetic field: resonant decrease occurs when frequency difference between two laser modes coincides with an hyperfine transition ground state. An experimental proof reported which evidences coherent nature phenomenon.