Photoptics 2015 : Revised Selected Papers From the Contents: OPTICS Fiber Optics Biomedical Optics Computational Optical Sensing and Imaging Optical Instrumentation Optics in Astronomy and Astrophysics Spectroscopy Imaging and Metrology Optical Communications and Networking Artificial Vision Photorefractive Effects Materials and Devices. The book provides a collection of selected papers presented to the third International Conference on Photonics Optics and Laser Technology PHOTOPTICS 2015 covering the three main conference scientific areas of “Optics” “Photonics” and “Lasers”. The selected papers in two classes full and short result from a double blind review carried out by the conference program committee members which are highly qualified experts in conference topic areas.