Download "coil.h5" and "Read_coil_h5_file_with_Matlab.zip" files from web site "http://www.digitalholography.eu/links.html" Unzip "Read_coil_h5_file_with_Matlab.zip" file in same directory that contains "coil.h5" file. Open "read_coil.m" file with Matlab and run the script. Sctipt will print out file's structure and shows preview and hologram image as figure. -- Mikko Niemelä, mikko.niemela@oulu.fi