Abstract:Cadmium sulphide (CdS) thin films were deposited on glass substrates using thermal vacuum evaporation technique at pressure (10-6) Torr at room temperature then samples irradiated by CO2 laser of power (1 watt) and wave length (10.6) μm at distance 10 cm from the source during different exposure times (3, 5, 10, 15) sec. The absorbance spectra was recorded using UV-visible spectrophotometer .Optical properties such as transmission , reflection ,absorption coefficient (α), optical band gap (Eg), extinction … Show more
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