Precise frequency measurements of 127I2 lines in the wavelength region 750-780 nm

Chun Chieh Liao, Kuo Yu Wu, Yu Hung Lien, Horst Knöckel, Hsiang-Chen Chui, Eberhard Tiemann, Jow Tsong Shy

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

High precision frequency measurements of 127I2 hyperfine transitions in the wavelength range between 750 and 780 nm were performed employing an optical frequency comb. A Ti:sapphire laser is frequency stabilized to a hyperfine component of I2 using a Doppler-free frequency modulation technique, and an optical frequency comb is used to measure its frequency precisely. Improved absolute frequencies of 27 hyperfine transitions between 750 and 780 nm of the bands (0-12) and (0-13) of B 3π0u + -X 1σ+ g system of I2 are presented. The relative uncertainty of the measurement is a few times 10?10, limited by the frequency instability of the iodinestabilized laser. The frequencies are compared to the predicted frequencies using the model description of [Eur. Phys. J. D 28, 199 (2004)], which yields differences larger than expected. An improved model is developed for the range from 755 to 815 nm for the prediction of lines with an error limit of the absolute frequency less than 0.2 MHz.

Original languageEnglish
Pages (from-to)1208-1214
Number of pages7
JournalJournal of the Optical Society of America B: Optical Physics
Volume27
Issue number6
DOIs
Publication statusPublished - 2010 Jun 1

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frequency measurement
wavelengths
frequency modulation
lasers
sapphire
predictions

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Statistical and Nonlinear Physics

Cite this

Liao, Chun Chieh ; Wu, Kuo Yu ; Lien, Yu Hung ; Knöckel, Horst ; Chui, Hsiang-Chen ; Tiemann, Eberhard ; Shy, Jow Tsong. / Precise frequency measurements of 127I2 lines in the wavelength region 750-780 nm. In: Journal of the Optical Society of America B: Optical Physics. 2010 ; Vol. 27, No. 6. pp. 1208-1214.
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Precise frequency measurements of 127I2 lines in the wavelength region 750-780 nm. / Liao, Chun Chieh; Wu, Kuo Yu; Lien, Yu Hung; Knöckel, Horst; Chui, Hsiang-Chen; Tiemann, Eberhard; Shy, Jow Tsong.

In: Journal of the Optical Society of America B: Optical Physics, Vol. 27, No. 6, 01.06.2010, p. 1208-1214.

Research output: Contribution to journalArticle

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AU - Liao, Chun Chieh

AU - Wu, Kuo Yu

AU - Lien, Yu Hung

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AU - Chui, Hsiang-Chen

AU - Tiemann, Eberhard

AU - Shy, Jow Tsong

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