Sub-Doppler molecular-iodine transitions near the dissociation limit (523–498 nm)
Optics Letters, Vol. 27, Issue 8, pp. 571-573 (2002)
http://dx.doi.org/10.1364/OL.27.000571
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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.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(020.2930) Atomic and molecular physics : Hyperfine structure
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(300.1030) Spectroscopy : Absorption
(300.3700) Spectroscopy : Linewidth
Citation
Wang-Yau Cheng, Lisheng Chen, Tai Hyun Yoon, John L. Hall, and Jun Ye, "Sub-Doppler molecular-iodine transitions near the dissociation limit (523–498 nm)," Opt. Lett. 27, 571-573 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-8-571
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