, Volume 51, Issue 3, pp 233-237

Doppler-free two-photon modulation transfer spectroscopy in sodium dimers

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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.

Project supported by National Natural Science Fund of China
Permanent address: Shanghai University of Technology, Shanghai 200072, People's Republic of China