Generation of 656 nm coherent red-light by frequency-doubled Nd:YLiF4/β-BaB2O4 laser for a compact silver atoms optical clockJ.-P. Loisel, S. Topsu, L. Chassagne, Y. Alayli, P.R. Dahoo and P. JuncarInt. J. Metrol. Qual. Eng., 3 1 (2012) 7-13DOI: https://doi.org/10.1051/ijmqe/2012008