Based on the study of the metal-cladding waveguide on submillimeter scale, a new scheme for wavelength monitoring is proposed in this paper.

在亚毫米尺度金属包覆波导研究基础上，提出了一种波长监测的新方法。

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Under the circumstance of seismic long wavelength, the circular dry fracture is more effective in attenuation of elastic wave than thin dry fracture when the characteristic scale is same.

在地震长波长情况下，相同特征尺度的圆形干裂纹比薄的干裂纹对弹性波衰减更有效。

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Through the analysis of the equation, it is found that the elastic instability is relevant to the radius, intrinsic scale and instable wavelength of the cylinder.

分析判据方程发现，弹性失稳与圆柱体的半径、内禀尺度和失稳波长相关。

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"By using natural crystals for the first time, rather than artificial metamaterials, we have been able to scale up the size of the cloak and can hide larger objects, thousands of times bigger than the wavelength of the light, " said Shuang Zhang, the University of Birmingham physicist who led the research.

BBC: Invisibility cloaking benefits from crystal-clear idea