READ ME File For 'Dataset for 47 W thulium' Dataset DOI: 10.5258/SOTON/D0939 ReadMe Author: Mark Burns, University of Southampton [orcid.org/0000-0003-2039-6025] This dataset supports the publication: MARK D. BURNS, PETER C. SHARDLOW1, THOMAS L. JEFFERSON-BRAIN1, PRANABESH BARUA1, JAYANTA K. SAHU1 AND W. ANDREW CLARKSON '47 W continuous-wave 1726 nm thulium fiber laser core-pumped by an erbium fiber laser' Optics Letters This dataset contains: Data supporting the measured slope efficiencies and m-squared values of the two systems, an erbium doped fibre laser and a thulium doped fiber laser, in the above publication. Date of data collection: March 2019 Information about geographic location of data collection: University of Southampton, U.K. Licence: Attribution-NonCommercial-NoDerivatives 4.0 International Related projects: 47 W continuous-wave 1726 nm thulium fiber laser core-pumped by an erbium fiber laser Date that the file was created: May, 2019