Because the capacity of the optical component lies crucially on the thin film thickness, monitoring the deposition thickness becomes the key to the precise production.

光学薄膜的厚度对光学元件的性能有决定性的影响，因此精确控制膜厚就成为了关键。

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In the space camera, the most crucial optical component that affects the spatial resolution is the primary mirror, so the requirements of its surface figure and position precision are very strict.

在空间相机中，对地面像元分辨力起基础决定性作用的光学元件是主镜。主镜作为空间相机中质量最大的光学元件，其面形精度、位置精度要求十分严格。

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Optical attenuator is a kind of widely used passive optical component.

光衰减器是一种广泛应用的无源光器件。

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In an otherwise ugly equity market today, investors are piling in to optical networking component stocks.

FORBES: JDSU: The Stock Market Has Optical Networking Fever

Stratos International had quite a day, too, as the optical-component maker received its own stream of investor enthusiasm.

FORBES: Magazine Article

The group is trading sharply lower following disappointing guidance this morning from optical networking component provider Ciena (CIEN).

FORBES: Optical Stocks Slide On Ciena's Weak April Quarter Outlook