READ ME File For 'Monolithic highly-efficient 272 W nested-ring structured thulium fibre laser at 1940 nm' paper Dataset DOI: 10.5258/SOTON/D3233 Date that the file was created: 04/2025 ------------------- GENERAL INFORMATION ------------------- ReadMe Author: Richard Svejkar, University of Southampton Date of data collection: July/August 2024 Related projects: EPSRC, EP/W028786/1 -------------------------- SHARING/ACCESS INFORMATION -------------------------- Licenses/restrictions placed on the data, or limitations of reuse: None Recommended citation for the data: Svejkar, R. (2025) Data in support of the 'Monolithic highly-efficient 272 W nested-ring structured-core thulium fibre laser at 1940 nm', University of Southampton, DOI: https://doi.org/10.5258/SOTON/D3233 This dataset supports the publication: AUTHORS: Richard Svejkar, Martin P Buckthorpe, Bara Svejkarova, Peter C Shardlow, and W Andrew Clarkson TITLE: Monolithic highly-efficient 272 W nested-ring structured-core thulium fibre laser at 1940 nm JOURNAL: Optics Letters PAPER DOI IF KNOWN: N/A -------------------- DATA & FILE OVERVIEW -------------------- This dataset contains: ZIP file with data for individual figures in above mentioned paper -------------------------- METHODOLOGICAL INFORMATION -------------------------- Measurements of absorption and emission spectra and laser emission lines are from optical spectrum analyser. Output laser power characteristics are collected from power meters. Methods for processing the data: Basic data processing for this type of measurement. Software- or Instrument-specific information needed to interpret the data, including software and hardware version numbers: MS Excel, Origin or similar People involved with sample collection, processing, analysis and/or submission: Richard Svejkar, Martin P Buckthorpe, Bara Svejkarova -------------------------- DATA-SPECIFIC INFORMATION -------------------------- Columns and row details in each *.txt file. Number of variables: N/A Number of cases/rows: N/A Variable list, defining any abbreviations, units of measure, codes or symbols used: N/A Missing data codes: N/A Specialized formats or other abbreviations used: N/A