机构地区: 华南理工大学理学院
出 处: 《物理实验》 2006年第5期22-24,28,共4页
摘 要: 设计了通过液晶光阀自动调整全息照相物光和参考光辐照比至最佳状态,同时能实现曝光时间自动控制的控光仪.该仪器巧妙运用液晶光阀和硅光电池器件,使测量、调整、自控一体化,从而提高拍摄优质全息图的工作效率. An exposure control instrument for holograph is designed, which can automatically adjust the object/reference light intensity ratio and the time of exposure in holograph to the best value by liquid crystal light valve (LCLV). This instrument uses LCLV and silicon photoelectric cells subtly, which can survey, adjust and control automatically, and improve the work efficiency of shooting fine hologram obviously.