Doppler-free two-photon modulation transfer spectroscopy in sodium dimers
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- Ma, L.S., Ding, L.E. & Bi, Z.Y. Appl. Phys. B (1990) 51: 233. doi:10.1007/BF00405746
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We performed an experiment to investigate modulation transfer spectroscopy in two-photon transition of Na2 using a CW dye laser. Comparing with UV fluorescence detection, the signals obtained by modulation transfer spectroscopy have a very high S/N without the Doppler background problem and its line shape is in agreement with theoretical calculations.