Fabrication and characterization of mid-infrared emission of Pr three+ doped selenide chalcogenide Eyeglasses and fibresDiffraction details confirmed that the crystallite measurement is all around 3??nm. Space temperature photoluminescence (PL) spectrum with the bare ZnS sample shows a solid band at ??45nm. The uncapped and capped(SHMP, PVP) ZnS:Mn