World Congress on lasers, optics and Photonics will be held in Barcelona, Spain. during September 23-25, 2019. which is designed to provide a platform for discussion and networking as well as to share new ideas, advancements and research related to the application of lasers, optics and photonics technology in various fields and industries and its related topics with the theme of "Advancements of Lasers, Optics and Photonics in Modern world". Laser and optical technology are in general absolutely essential to performing applied research in areas such as Physics, chemistry providing fundamental analysis tools. Optics 2019 provides excellent opportunities for global sharing of expertise, products, technology and best practices in the field of Lasers, Optics and Photonics. Its large international participation comprised of notable keynote speakers, technical sessions and young researchers and students presentations on the latest cutting-edge research and designed to stimulate discussion and debate about current research in Lasers, Optics and Photonics globally.