READ ME file for DATASET CW demonstration of SHG spectral narrowing in a PPLN waveguide generating 2.5 W at 780 nm Dataset DOI: https://doi.org/10.5258/SOTON/D1425 ReadMe author:Carpenter Lewis, Berry Sam, Gray Alan C, Gates James, Smith Peter G R, Gawith C, University of Southampton, University Road, Southampton SO17 1BJ. this dataset supports the publication: Carpenter Lewis, Berry Sam, Gray Alan C, Gates James, Smith Peter G R, Gawith C, CW demonstration of SHG spectral narrowing in a PPLN waveguide generating 2.5 W at 780 nm. Optics Express Description: the excel file contains all experimental data used to generate Fig.3 and Fig.4 Date of collection between Dec2019 -Jul 2020 Related projects: Innovate UK (102805, 104000, 104613); Engineering and Physical Sciences Research Council (EP/M013294/1, EP/M024539/1, EP/P034160/1, EP/R041636/1). Dataset available under a Attribution-ShareAlike 4.0 International licence Publisher: University of Southampton Date: February 2021