Mubarak Mohammed AhmedHatim Mohammed Elkhair2017-11-212017-11-212014-12-22http://hdl.handle.net/123456789/8035Polystyrene(PS)/ZnO/Gum Arabic photonic crystals, prepared by foam reaction had exhibited tunable photonic band gap as being detected by optical transmission experiments with slight shift as shown by the transmission spectra ,such tunability might be attributed to the effect formation caused by PS/ZnO volume fraction .TunablePolystyrene Photonic CrystalFoam Reaction