ST Singlemode Bare fiber adapters The Bare fiber adapter is a special type of fiber optic coupler that is mainly used for testing insert loss of fiber pigtails and other fiber optic devices.It is one of the indispensable components in fiber optic testing applications.After connecting optical fiber to the fiber optic adapter ,the insert loss testing of the other end or the whole fiber can be completed.The most remarkable feature of bare fiber adapter is reusable..And bare fiber adapter also characterized by quick and easy assembly,small size,durability and long lifetime .Our company provides 5type bare fiber adapter,including SC,FC,LC,ST,SMA,which all can be used more than 1000times.Feature of ST bare fiber adapters: Consistent good quality proven by repeated tests Easy to installation and operation Can be reusable Compliant with RoHS standards Round type and Square type are availableSpecification: ParameterSpecificationsInsertion LossTypecal≤1.0dBRepeatability≤1.0dBConnector TypeSC,FC,ST,LC,SMADurability>1000timesOperating Temperature-20°C～+70°CStorage Temperature-40°C～+85°COutlook TypeRound type ;Square typeWhen you Place order ,please remember let us know you need square type or Round type ? Square type Bare fiber Adapters:      SC Bare fiber AdaptersLC Bare fiber AdaptersFC Bare fiber AdaptersST Bare fiber AdaptersRound Type Bare Fiber Adapters:      SC Bare fiber AdaptersLC Bare fiber AdaptersFC Bare fiber AdaptersST Bare fiber Adapters