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1·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。

2·This paper discusses the return loss in air-space type fixed optical attenuator.

本文讨论了空气隙型光固定衰减器的回波损耗。

3·This paper introduces the principal theory, process and test technology of variable optical attenuator.

本文分析了集成化可变光学衰减器的工作原理、工艺制作和测试技术。

4·This thesis presents a study on the non-silicon based MEMS optical switch and variable optical attenuator.

本硕士论文对基于非硅基微加工技术的光开关及可调光衰减器的设计制作与分析进行了研究。

5·A new design for temperature insensitive electro-optic modulator and variable optical attenuator is presented in this paper.

提出一种新颖的温度不敏感电光振幅调制器和保偏可变光衰减器的设计方案。

6·Angle deflection is an effective operation on optics, which is widely used in optical switch and variable optical attenuator.

角度偏转是光操作的一种方式，在光开关和光衰减器有广泛的应用。

7·The Variable optical Attenuator (VOA) is a kind of passive device that find wide application in optical communication network and optical fiber test system.

可调光衰减器(VOA)是广泛应用于光通信网络及光纤实验系统中的光无源器件。

8·To avoid the phenomena of photon overlap, many measures such as neutral optical attenuator, gate witch and reducing the gain of PMT, are taken to enhance accuracy of ozone measurements.

为避免产生光子并合现象的产生，可以利用在接收光路上加装中性衰减片、提高光电倍增管开始工作的高度和降低光电倍增管增益等措施来分段测量，提高臭氧测量的精度。

9·This paper presents the operating principle, design methods and experimental results of an optical variable attenuator.

本文详细介绍一种光可变衰减器的工作原理、设计方法和试验结果。

10·First, it analyzed the optical theory of attenuator, then introduced the motor positioning system in detail.

首先分析了光衰减器的光学原理，然后详细介绍了其电机定位系统。