Identification of dispersion-dependent hexagonal cavity modes of an individual ZnO nanonail

被引：101

作者：

Liu, Jinzhang ^{[1
]}

Lee, Soonil ^{[1
]}

Ahn, Y. H. ^{[1
]}

Park, Ji-Yong ^{[1
]}

Koh, Ken Ha ^{[1
]}

Park, Kyung Ho ^{[2
]}

机构：

[1] Ajou Univ, Div Energy Syst Res, Suwon 443749, South Korea

[2] Korea Adv Nano Fab Ctr, Suwon 443479, South Korea

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 26期

关键词：

D O I：

10.1063/1.2952763

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The hexagonal resonator characteristics of an individual ZnO-nanonail's head were investigated via spatially resolved cathodoluminescence (CL) at room temperature. The positions of most of distinct CL peaks in visible range were well matched to those of whispering gallery modes (WGMs) of a hexagonal dielectric cavity when we took birefringence and dispersion of refractive indices into account. The broad and weak peaks for TE polarization in long wavelength range were consistent with refractive-index values below the threshold for total internal inflection. CL peaks that were not matched to WGMs were identified as either triangular quasi-WGM or Fabry-Perot resonance modes. (c) 2008 American Institute of Physics.

引用

页数：3

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