摘要
本文报导采用放大倍率法、ＣＣＤ接收、计算机图像处理技术、测量自聚焦（ＧＲＩＮ）透镜的焦距，测量相对不确定度达到±０．１２％。
The measurement of GRIN lens focal length by using the amplification method, CCD camera detection and computer image data processing is reported in this paper. The relative measuring uncertainty is up to ± 0.21%.
出处
《应用光学》
CAS
CSCD
1995年第6期52-54,共3页
Journal of Applied Optics
关键词
自聚焦
透镜
焦距测量
GRIN lens, focal length, measurement
