2x2 1550 nm PM Fiber Circulator, 300 mW SM Fused Coupler These devices can combine 2

These devices can combine 2 pump lasers and 1 signal channel into one fiber and create a high power pump laser source

10%/90% single wavelength coupler

It is widely used in EDFA & Raman amplifiers

while blocking the reversed direction

When light wave entersλ/4 waveplate is transfer line polarization

2x2 1550 nm PM Fiber Circulator, 300 mW SM Fused Coupler These devices can combine 2The PM circulator is a compact, high performance component, with low insertion loss and high return loss, isolation, extinction ratio, stability and reliability. It is widely used in EDFA & Raman amplifiers, fiber sensors and fiber instruments. FEATURES Low Insertion Loss High Return Loss High Extinction Ratio High Isolation High Stability and Reliability USE IN EDFA & Raman Amplifier Fiber Sensor Fiber Instrument Lead Time: 3 4 Weeks Datasheet