Dynamic aperture of near-field super resolution structures

被引：1

作者：

Tsai, Din Ping ^{[1
]}

Yang, Chi Wen ^{[2
]}

Lin, Wei Chih ^{[2
]}

Ho, Fu Han ^{[2
]}

Huang, Hung Ji ^{[2
]}

Chen, Ming Yish ^{[2
]}

Tseng, Tzu Feng ^{[2
]}

Lee, Chiu Hsiang ^{[2
]}

Yeh, Chwei Jing ^{[2
]}

机构：

[1] Department of Physics, National Taiwan University, Taipei, 10617, Taiwan

[2] Department of Physics, National Chung Cheng University, Chia Yi, 621, Taiwan

来源：

| 2000年 / JJAP, Japan卷 / 39期

关键词：

Laser applications - Optical glass - Optical microscopy - Optical resolving power - Scanning - Silicon nitride;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Direct experimental observation of the near-field aperture formed in the super resolution near-field structure of glass/SiN(170 nm)/Sb(15 nm)/SiN(20 nm) has been achieved using a tapping-mode tuning-fork near-field scanning optical microscope. Both propagating and evanescent field intensities were found at the focused spots of the surface of the super resolution structure. Images of the near-field intensity gradients at different excited laser powers (0.45-2.33 μW) demonstrated that the area of the static evanescent intensity could be stably controlled.

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