Date: 01/02/2019 Written by: Radan Slavik (OptoElectronics Research Centre, University of Southampton) Uploaded Archive (ZIP) includes 10 data files that are purely numerical (.csv) or in Matlab code (.fig) The files contain experimental data for the paper: M. Komanec et al, Low-loss and low-back-refletion hollow-core to standard fiber interconnection, Photon Tech Lett 2019 - Data of Fig3 to Fig3. - Data of Fig4 to Fig4a,b,c,d,e. - Data of Fig5 to Fig5a,b,c,d. **These are available under license: Creative Commons Attribution.