Abstract
Nd:YAG thin films have been prepared on Si (100) substrates by electron beam evaporation deposition. The surface morphologies, crystalline phases and optical properties of the Nd:YAG thin films were characterized by x-ray diffraction, scanning electron microscopy, photoluminescence spectroscopy, and spectrophotometer. The crystallization of Nd:YAG thin films was improved after annealing at 1100 °C for 1 hour in vacuum. Excited by a Ti:sapphire laser at 808 nm, photoluminescence spectra of Nd:YAG thin films were measured at room temperature, and the transition of4F3/24I11/2of Nd3+in YAG in the region of 1064 nm were detected by a liquid nitrogen cooled InGaAs detector array.
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