Design of Flattened Dispersion of Hexagonal Chalcogenide As2Se3 Glass Photonic Crystal Fiber with a Huge Core

In this paper, we will proposed a new structure of the making of a chalcogenide glass photonic crystal fiber (PCF) with increase in core diameter. As comparision with the regular PCFs in which silica glass is used as core material, the proposed PCF has following feature; at first we have used the chalcogenide As2Se3 glass in core material in which the first ring area contains no air holes. Then this proposed PCF has a Huge core area chalcogenide As2Se3 glass photonic crystal fiber. There are small chromatic dispersion in the proposed PCF comparied to regular As2Se3 glass PCF. The chromatic dispersion is almost flat in the range of 2.4 micrometer to 4.1 micrometer range when the air hole diameter ‘d' is .75 micrometer and air hole space ‘˄' is 2.0 micrometer.