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The coupler is a 2x2 532 nm 50/50 PM fused coupler
The DFB-CX-PM is a polarization maintaining CWDM coaxial DFB-LD for CWDM analog communication
FEATURESLow Insertion Loss Low PDLNegligible PMDHigh Stability and ReliabilityUSE INBuilding BroadbandLow-noise EDFAsRaman Amplifiers for Ultra-long Haul Networks
tap ratio: 60/40
finally it enters toλ/4 waveplate and line polarization state is change to any polarization
2000 nm In-line Polarizer, PM-PM Outdoor Waterproof Patchcord The coupler is a 2x2The Z5401 P has very low insertion loss, high return loss, high extinction ratio and high stability & reliability. It can be used for fiber sensor, testing instruments and communication systems. FEATURES High Return LossLow Insertion LossHigh Extinction RatioHigh Stability & ReliabilityUSE IN Fiber SensorTesting InstrumentResearchCommunication Systems Lead Time: 3 4 Weeks Datasheet
