Combined optical-infrared single-ion frequency standard
Optics Letters, Vol. 23, Issue 4, pp. 298-300 (1998)
http://dx.doi.org/10.1364/OL.23.000298
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Abstract
A combined infrared–optical frequency-standard scheme has been demonstrated with a single ion of ytterbium. The optical 2S1/2–2D5/2 reference transition at 411 nm and the infrared 2F7/2–2D5/2 3.43-µm transition were driven sequentially. The structure of the infrared 2F7/2–2D5/2 reference transition at 3.43 µm has also been studied. Infrared transition linewidths of 300 kHz were observed. The output of a Nd:YAG laser and an extended-cavity diode laser were difference-frequency mixed in a crystal of AgGaS2 to produce narrow-linewidth light at 3.43 µm . Both lasers were frequency stabilized to high-finesse reference cavities.
© 1998 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3210) Lasers and laser optics : Ion lasers
(300.6340) Spectroscopy : Spectroscopy, infrared
Citation
P. Taylor, M. Roberts, G. P. Barwood, and P. Gill, "Combined optical-infrared single-ion frequency standard," Opt. Lett. 23, 298-300 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-4-298
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