Observation of light confinement effects with a near-field optical microscope

被引：85

作者：

Weeber, JC

Bourillot, E

Dereux, A

Goudonnet, JP

Chen, Y

Girard, C

机构：

[1] CNRS,MICROSTRUCT & MICROELECT LAB,F-92225 BAGNEUX,FRANCE

[2] UNIV FRANCHE COMTE,PHYS MOL LAB,UA CNRS 772,F-25030 BESANCON,FRANCE

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 27期

关键词：

D O I：

10.1103/PhysRevLett.77.5332

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This Letter reports the experimental observation of light confinement effects by near-held optical microscopy. Depolarization effects giving rise to light confinement close to nanoscopic objects have been unambiguously observed in near-held optical images of subwavelength dielectric pads etched on a flat glass substrate. According to the incident polarization, this phenomenon leads to reverse contrasts in the near-held optical image of the same subwavelength objects.

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页码：5332 / 5335

页数：4

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