READ ME File For Dataset 'The generation of femtosecond optical vortex beams with megawatt powers directly from a fiber based Mamyshev oscillator' Dataset DOI: 10.5258/SOTON/D2023 ReadMe Author: Di Lin, Fibre & Systems Group, Zepler Institute for Photonics & Nanoelectronics, University of Southampton This dataset supports the publication: AUTHOR: Di Lin, Yutong Feng, Zhengqi Ren, David J. Richardson TITLE: The generation of femtosecond optical vortex beams with megawatt powers directly from a fiber based Mamyshev oscillator JOURNAL:Nanophotonics PAPER DOI IF KNOWN This dataset contains: all originally measured and calcuated data for plotting figures within the article The figures are as follows: Figure 3 The output power and pusle energy as a function of absorbed pump power. Figure 4 Measured output pusle train and rado frequency spectrum. Figure 5 Experimentally measured spectra with increasing pulse energy and the measured AC traces. Figure 6 The measured intensity distribution across the beam center along horizontal and vertical axis. Date of data collection: 2021 Information about geographic location of data collection: University of Southampton, U.K. Related projects: AirGuide Photonics, EPSRC(EP/P030181/1) National Hub in High Value Photonic Manufacturing, EPSRC(EP/N00762X/1) Laser Technologies for Future Manufacturing, EPSRC(EP/P027644/1) Date that the file was created: November 2021