摘要
用空间频谱分析的方法讨论了振幅型正弦光栅的衍射特征,并列举了三个方面的重要应用。
By means of spatial frequency analysis,the paper discusses the diffraction characteristics of amplitude sine grating and liste the important uses in three respects.
出处
《重庆师范学院学报(自然科学版)》
1997年第3期87-91,共5页
Journal of Chongqing Normal University(Natural Science Edition)
关键词
振幅型正弦光栅
相因子判断法
信息光学
谱斑
sime grating of amplitude type, method of phase factor determination, spatial freguency spectrum, diffraction characteristic, spectrum disk