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基板温度对电子束沉积LaF3薄膜紫外性能的影响
Substrate Temperature’s Effects on Ultraviolet Properties of LaF3 Films Prepared by Electron Beam Gun Evaporation
【摘要】 采用电子束沉积的方法,在紫外熔凝石英基片上制备了LaF3单层膜.研究了基板温度对LaF3薄膜紫外光学性能的影响,基板温度从200℃上升到300℃,间隔为50℃.采用分光光度计测量了样品的透射率光谱曲线,并在此基础上进行了光学常数的计算.分析结果表明:在本实验条件下,薄膜的折射率随温度的升高而增大;消光系数随温度的升高有增大的趋势;
【Abstract】 Using a electron beam gun evaporation method,LaF3 films were grown on fused quartz glass.The films were produced at different substrate temperature from 200℃ to 350℃ by increasing step of 50℃.The ultraviolet properties of the films have been determined by using ultraviolet spectrometry.Analysis results show: the refractive index and extinction coefficient increased with the increased substrate temperature
【关键词】 光学薄膜;
基板温度;
电子束沉积;
LaF3;
【Key words】 optical thin flms; substrate temperature; electron beam gun evaporation; LaF3;
【Key words】 optical thin flms; substrate temperature; electron beam gun evaporation; LaF3;
- 【文献出处】 聊城大学学报(自然科学版) ,Journal of Liaocheng University(Natural Science Edition) , 编辑部邮箱 ,2011年01期
- 【分类号】O484.41
- 【下载频次】47