READ ME File For 'Dataset for Optimising superoscillatory spots for far-field super-resolution imaging' Dataset DOI: 10.5258/SOTON/D0411 ReadMe Author: Edward Rogers, University of Southampton This dataset supports the publication: KATRINE S. ROGERS, KONSTANTINOS N. BOURDAKOS, GUANG HUI YUAN, SUMEET MAHAJAN, AND EDWARD T. F. ROGERS Optimising superoscillatory spots for far-field super-resolution imaging Optics Express Date of data collection: Sept 2017-Feb 2018 Information about geographic location of data collection: University of Southampton, U.K. Related projects: European Research Council (638258: Nano-ChemBioVision); Singapore Ministry of Education (MOE2011-T3-1-005); Wessex Medical Research (W03) Date that the file was created: Feb 2018 ------------- This package contains the data required to reproduce all figures (other than schematics). For Figs 1-4, the files are MATLAB data files, and the file name of the data file reflects the figure it reproduces. For figures 5-6 ascii text files are provided, grouped into folders by the name of the figure they produce. The content of each data file is as follows: Figure1b.mat: xb gives the x-values for all plots in the figure; y_target gives the y-values to plot the target function f_t(r) = sinc(8 pi r); y_i for i=3,6,9,12,15 gives the y-values to plot the approximation to the target function using i basis functions Figure1c.mat: x gives the x-values for all plots in the figure; y_I gives the y-values to plot the intensity of each basis function (which must also be reflected in the y-axis); y_E gives the y-values to plot the electric field strength in the inset. Each column in y_I (y_E) gives the y-values for a different basis function, with the first basis function in the first column and so on. Figure1d.mat: x gives the x-values for all plots in the figure; y_I gives the y-values to plot the power spectrum of each basis function in terms of intensity (which must also be reflected in the y-axis); y_E gives the y-values to plot the field spectrum of each basis functions in terms of electric field strength, plotted in the inset. Each column in y_I (y_E) gives the values for a different basis function, with the first basis function in the first column and so on. Figure2abc.mat: xa, ya give the x-values and y-values, respectively, to reproduce the Pareto front of the genetic algorithm in Fig. 2(a); xa2, ya2 give the x-values and y-values, respectively, to reproduce the Pareto front of the two-function method in Fig. 2(a) (FoV 1.6 lambda). xb, yb give the x-values and y-values, respectively, to reproduce the Pareto front of the genetic algorithm in Fig. 2(b); xb2, yb2 give the x-values and y-values, respectively, to reproduce the Pareto front of the two-function method in Fig. 2(b) (FoV 1 lambda). xc, yc give the x-values and y-values, respectively, to reproduce the Pareto front of the genetic algorithm in Fig. 2(c); xc2, yc2 give the x-values and y-values, respectively, to reproduce the Pareto front of the two-function method in Fig. 2(c) (FoV 0.5 lambda). Figure2d.mat: x gives the x-values for all plots in the figure; I gives the y-values to plot all three intensity profiles, the values of each given in each of the 3 columns. Reflection in the y-axis is required to reproduce the figure. Figure3.mat: x and y give the x and y axes of the images in metres (the same axes are used same for all images). I_i_ii_j_jj are 2d arrays that give the intensity data at each pixel for a spots with width i.ii and FoV j.jj. That is, the intensity data for the spot with width 0.35 and FoV 1.00 is stored in variable I_0_35_1_00 Figure4.mat: x and y give the axes of the images in metres. Calculated electric field components (arbitrary units) for the vector uncorrected (Ex,Ey,Ez) and corrected (Ex_comp,Ey_comp,Ez_comp) are provided, together with the scalar approximation (Ex_scalar,Ey_scalar) Panel a is given by I_x_scalar+I_y_scalar, b by Ix+Iy+Iz, c by Ix+Iy and d by Ix_comp+Iy_comp. In all cases Ii = abs(Ei)^2. Figure5 (directory): there are a set of files for each column (i, ii, iii) and row(a-f) for column iii, each row has two parts, 1 and 2. For columns i and iii, each set of files (named by column, row and part has files with x and y coordinates (...XData,...YData) and the intensity data displayed in the figure (...CData). For column ii, the plotted x and y data are provided (...XData, ...YData). Figure6 (directory): We provide data for the good (open circles) and bad (stars) points in figure 6 as a series of files. The same row in each file corresponds to a particular data point, with the relative intensity, spot size, isolation, resolution and the Strehl ratio provided in the appropriate files. Units are as described in the manuscript, but are all dimensionless.