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  • Title: Evaluation of the clock laser for an Yb lattice clock using an optic fiber comb.
    Author: Hosaka K, Inaba H, Nakajima Y, Yasuda M, Kohno T, Onae A, Hong FL.
    Journal: IEEE Trans Ultrason Ferroelectr Freq Control; 2010 Mar; 57(3):606-12. PubMed ID: 20211777.
    Abstract:
    A light source to drive the (1)S0-(3)P0 transition in Yb atoms is generated by 2 solid state lasers: a Nd:YAG laser and an Yb:YAG laser, using a sum-frequency generation (SFG) scheme. With a ridge waveguide (WG) periodically poled lithium niobate (PPLN) device, SFG power of about 150 mW is obtained at the required frequency. The zero-expansion temperature of a Fabry-Pérot etalon was determined by using a home-made fiber-based optical frequency comb running continuously for weeks. Frequency stabilization of the clock laser system was also evaluated by the optical frequency comb.
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