Stable Laser System for Probing the Clock Transition at 578 nm in Neutral Ytterbium

We describe a new laser system we have developed to probe the ultra-narrow 1 S 0 harr 3 P 0 clock transition at 578 nm in neutral ytterbium. The yellow light is produced by sum frequency generation in a periodically poled waveguide. With approximately 100 mW each from a fiber laser and Nd:YAG laser,...

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Published in2007 IEEE International Frequency Control Symposium Joint with the 21st European Frequency and Time Forum pp. 1274 - 1277
Main Authors Oates, C.W., Barber, Z.W., Stalnaker, J.E., Hoyt, C.W., Fortier, T.M., Diddams, S.A., Hollberg, L.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2007
Subjects
Clocks
Fiber lasers
Frequency
Laser stability
Laser transitions
Probes
Resonance
Spectroscopy
Waveguide lasers
Ytterbium
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Summary:We describe a new laser system we have developed to probe the ultra-narrow 1 S 0 harr 3 P 0 clock transition at 578 nm in neutral ytterbium. The yellow light is produced by sum frequency generation in a periodically poled waveguide. With approximately 100 mW each from a fiber laser and Nd:YAG laser, we produce 10 mW of visible light. Stabilization of the laser to a resonance of a high finesse, environmentally isolated cavity has enabled resolution of spectroscopic features as narrow as 5 Hz.
ISBN:1424406463
9781424406463
ISSN:2327-1914
DOI:10.1109/FREQ.2007.4319281