theoretical investigation in the field of photonic crystals is presented through the design of "omnidirectional reflector". Quarter wave optical thickness multilayer are well-known idea widely used to design a high reflector and one-dimensional photonic crystal. His idea was developed to establish Distributed Bragg reflector TiO2 and SiO2 are chosen as a high and low dielectric materials deposited on BK7 glass. Results indicate that the design and evaluation of wide band omnidirectional reflector from 1D PC can be easily established when ZEMAX follows by Teraplot software operating S- , C- and Lbands for optical telecommunication simply by contiguous superposition of omnidirectional high reflection band edges.