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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 6 — Jun. 1, 2010
  • pp: 1208–1214

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, and Jow-Tsong Shy  »View Author Affiliations


JOSA B, Vol. 27, Issue 6, pp. 1208-1214 (2010)
http://dx.doi.org/10.1364/JOSAB.27.001208


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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 iodine-stabilized laser. The frequencies are compared to the predicted frequencies using the model description of [Eur. Phys. J. D28, 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.

© 2010 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(300.6460) Spectroscopy : Spectroscopy, saturation
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: December 3, 2009
Revised Manuscript: March 19, 2010
Manuscript Accepted: March 22, 2010
Published: May 12, 2010

Citation
Chun-Chieh Liao, Kuo-Yu Wu, Yu-Hung Lien, Horst Knöckel, Hsiang-Chen Chui, Eberhard Tiemann, and Jow-Tsong Shy, "Precise frequency measurements of 127I2 lines in the wavelength region 750–780 nm," J. Opt. Soc. Am. B 27, 1208-1214 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-6-1208

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