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

Wang Yau Cheng, Lisheng Chen, Tai Hyun Yoon, John L. Hall, Jun Ye

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

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 should lead to high-quality optical frequency standards that are better than those of the popular 532-nm system.

Original languageEnglish
Pages (from-to)571-573
Number of pages3
JournalOptics Letters
Volume27
Issue number8
DOIs
Publication statusPublished - 2002 Apr 15

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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