Imaging interferometric microscopy for enhanced resolution

被引:1
|
作者
Schwarz, CJ [1 ]
Kutznetsova, Y [1 ]
Brueck, SRJ [1 ]
机构
[1] Univ New Mexico, Ctr High Technol Mat, Albuquerque, NM 87106 USA
关键词
imaging interferometry; interferometric imaging; resolution enhancement; microscopy; wafer inspection; field of view; working distance; electronic image processing;
D O I
10.1117/12.473526
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Using the principle of imaging interferometry we resolve structures with a relatively low NA microscope objective which could not be resolved in the conventional illumination setup. We show experimental results for the cases of 700-and 4000-nm period gratings. We compare these results with theoretical simulations and estimate the maximum resolution potential. Also we evaluate further advantages of our approach, such as field of view and working distance.
引用
收藏
页码:802 / 811
页数:10
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