Sub-Doppler molecular-iodine transitions near the dissociation limit (523-498 nm).

  title={Sub-Doppler molecular-iodine transitions near the dissociation limit (523-498 nm).},
  author={W. Cheng and Lisheng Chen and Tai Hyun Yoon and John L. Hall and Jun Ye},
  journal={Optics letters},
  volume={27 8},
A widely tunable and high-resolution spectrometer based on a frequency-doubled Ti:sapphire laser was used to explore sub-Doppler transitions of iodine molecules in the wavelength range 523-498 nm. The wavelength dependence of the hyperfine transition linewidth of iodine was mapped out in this region, and the narrowest linewidth was ~4 kHz near 508 nm. The hyperfine-resolved patterns were found to be largely modified toward the dissociation limit. The observed excellent signal-to-noise ratio… CONTINUE READING
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