single mode attenuator
... sleeve connector 套管毗连器 single mode attenuator 单模衰减器 single-control refrigerator freezer 单控式冷藏冷冻箱 ...
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这种光衰减器是由电磁驱动插在两对准单模光纤间隙中的挡光片来实现光功率的衰减。
The device consists of an electromagnet moving ferronickel optical shutter interposed in a fiber gap, and it's actuation causes optical attenuation.
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