Field guide to optical fabrication Whether youre an optical designer optician shop manager or optics procurer a working knowledge of optical fabrication can be invaluable. Have the information at your fingertips with this new Field Guide. In Field Guide to Optical Fabrication Ray Williamson distills the extensive knowledge gained from his long career ranging from his work at the Optical Sciences Center at the University of Arizona to positions at Spectra Physics Coherent and Los Alamos National Lab into a ready reference for anyone needing to understand optical fabrication