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实验研究了Sn1As20S79非晶态半导体薄膜的光折变效应及其膜厚变化的现象,归纳了沉积态样品、退火态样品和光饱和态样品的实验规律,提出和采用紫外光激励的方法试制了Sn1As20S79条形波导,632.8nm波长导模激励显示该波导具有良好的导波特性.
The photorefractive effect and film thickness variation of Sn1As20S79 amorphous semiconductor thin films were experimentally investigated. The experimental rules of the deposited samples, the annealed samples and the light-saturated samples were summarized. The effects of Sn1As20S79 Strip waveguide, 632.8nm wavelength guided mode excitation shows that the waveguide has good guided wave characteristics.