The optical passive device is part of the optical fiber communication industry.
光无源器件是光纤通信产业的组成部分。
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。
With the improving technic and the emergence of more and more advance research production, fiber Bragg grating (FBG) had become one of the most successful optic passive device.
随着光纤光栅制造技术的不断完善，应用成果的不断出现，光纤光栅已成为目前最具有挑战性和最有发展前途的光纤无源器件之一。
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