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arXiv physics/0509187physics.optics
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近场光学探针亚波长孔径内光的超高干涉空间压缩

Ultrahigh Interference Spatial Compression of Light Inside the Subwavelength Aperture of a Near-Field Optical Probe

N. M. Arslanov, S. A. Moiseev

摘要:

从理论上研究了近场光学显微镜亚波长部分光模干涉和相互作用的空间效应。发现模式干涉可以导致在直径为100 nm的探针输出孔径内的25 nm的横向尺寸内的光(在自由空间中λ = 500 nm)的更高的空间压缩。结果表明,近场光学显微镜技术的空间分辨率提高的可能性。

英文摘要:

Spatial effects of interference and interaction of light modes in the subwavelength part of the near-field optical microscopy probe have been theoretically studied. It was found that the mode interference can lead to higher spatial compression of light (lambda = 500 nm in free space) within the transverse size of 25 nm inside the probe output aperture of 100 nm in diameter. The results principally demonstrate the possibility of increasing spatial resolution of the near-field optical microscopy technique.

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