An finite element model is established by ANSYS, the deformation of optical mirrors caused by temperature field is analyzed.

用ANSYS建立有限元模型，分析由温度场引起的光学镜面形变。

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The reflectivity of optical mirrors can be obtained by measuring linewidth of transmission spectrum of optical cavity and the fineness of Fabry-Perot (F-P) cavity.

谐振腔精细度法是通过测量光学谐振腔透射谱线宽度来实现对光学反射镜反射率的测定。

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Mirrors attached to the rollers form part of an optical system.

装在圆筒上的小镜是光学系统的一部分。

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But the optical switch takes the flickers of lights flashing by and, with the use of its micro-mirrors, redirects them from one optical fibre to another.

ECONOMIST: Reinventing Marconi

They are devising ways to send optical signals vast distances without the need for expensive electronic goosing, tinkering with mirrors to switch and bend light in new ways and trimming costs to open up entirely new parts of the telecom infrastructure.

FORBES: Hooked on photonics