自制光电效应实验演示装置  

Self-made photoelectric effect experimental demonstration device

作　　者：马顺存 MA Shuncun(High School Affiliated to Hunan Normal University,Changsha 410006,China)

机构地区：[1]湖南师范大学附属中学,湖南长沙410006

出　　处：《物理实验》2024年第9期60-63,共4页Physics Experimentation

基　　金：湖南省新时代基础教育名师名校长培养计划2024年专项课题(No.XJK24ASM012)。

摘　　要：介绍了光电效应实验装置的设计、制作方法、使用及实验效果.该装置采用多量程微电流传感器,能够准确测量不同亮度光源和不同光电管时的光电流,对光电管的型号和滤波片进行了研究,能有效演示光电效应中的截止频率、饱和电流和遏止电压.实验仪器设计合理,操作简便,现象明显,适用于课堂演示.The design,fabrication method,application and experimental results of a photoelectric effect experimental device were introduced.The device used a multi-range micro-current sensor,which could accurately measure the photocurrent for different luminance light sources and different photocells.The model of photocell and filter were studied,and the three main experimental performances of the photoelectric effect,i.e.cutoff frequency,saturation current and suppression voltage,were demonstrated effectively.The design of the experimental instrument was reasonable,the operation was simple,the phenomenon was obvious,which was obviously suitable for classroom demonstration.

关 键 词：光电效应 截止频率 饱和电流 遏止电压 

分 类 号：G633.7[文化科学—教育学]