EXTENSION OF THE MACROSCOPIC MODEL FOR REFLECTION NEAR-FIELD MICROSCOPY - REGULARIZATION AND IMAGE-FORMATION

被引:25
作者
BOZHEVOLNYI, S [1 ]
BERNTSEN, S [1 ]
BOZHEVOLNAYA, E [1 ]
机构
[1] UNIV AALBORG,INST ELECTR SYST,DK-9220 AALBORG O,DENMARK
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1994年 / 11卷 / 02期
关键词
D O I
10.1364/JOSAA.11.000609
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A macroscopic self-consistent model for external-refraction near-field microscopy is extended to include the consideration of arbitrary fiber tips and the image formation of surface structures. An appropriate regularization procedure is developed to produce a stable solution of the self-consistent equation. This equation is generalized to treat the presence of a thin-layer medium with a subwavelength structure on the sample surface. tip ensures better imaging properties of the microscope but that the lateral resolution is limited by a fraction of the wavelength because of the microscopic sizes of the fiber tips.
引用
收藏
页码:609 / 617
页数:9
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