时间：
2019
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06
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17
LC Female to male Fixed attenuatorOptical attenuator is a passive device used to reduce the power level of an optical signal. It is generally used in single-mode long-haul applications to prevent optical overload at the receiver. Optical attenuator is widely used in CWDM&DWDM, CATV systems, data center networks, test equipment and other high-power applications. Though its applications range widely, fixed attenuators are most commonly used for test and measurement, optical sensors, and teleco...