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

C. W. Oates,Z. W. Barber,J. E. Stalnaker,C. W. Hoyt,T. M. Fortier,S. A. Diddams, L. Hollberg

Geneva（2007）

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摘要

We describe a new laser system we have developed to probe the ultra-narrow 1S0 harr 3P0 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.

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关键词

atomic clocks,fibre lasers,laser beams,laser stability,optical frequency conversion,optical waveguides,solid lasers,Nd:YAG laser,clock transition,environmentally isolated cavity,fiber laser,laser stabilization,neutral ytterbium,periodically poled waveguide,power 10 mW,stable laser system,sum frequency generation,wavelength 578 nm,yellow light

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