High-power waveguide resonator second harmonic device with external conversion efficiency up to 75% Stefszky, Michael Ricken, R Eigner, Christof Quiring, V Herrmann, Harald Silberhorn, Christine 2018 info:eu-repo/semantics/article doc-type:article text http://purl.org/coar/resource_type/c_6501 https://ris.uni-paderborn.de/record/9679 Stefszky M, Ricken R, Eigner C, Quiring V, Herrmann H, Silberhorn C. High-power waveguide resonator second harmonic device with external conversion efficiency up to 75%. <i>Journal of Optics</i>. Published online 2018. doi:<a href="https://doi.org/10.1088/2040-8986/aac1d5">10.1088/2040-8986/aac1d5</a> eng info:eu-repo/semantics/altIdentifier/doi/10.1088/2040-8986/aac1d5 info:eu-repo/semantics/altIdentifier/issn/2040-8978 info:eu-repo/semantics/altIdentifier/issn/2040-8986 info:eu-repo/semantics/closedAccess