Tunable High Harmonic Generation driven by a Visible Optical Parametric AmplifierG. Cirmi, C.-J. Lai, S.-W. Huang, E. Granados, A. Sell, J. Moses, K.-H. Hong, P. Keathley and F. X. KärtnerEPJ Web of Conferences, 41 (2013) 01002DOI: https://doi.org/10.1051/epjconf/20134101002