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".