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The coupler is a 1x2 850 nm 50/50 PM fused coupler
single stage polarization insensitive isolator
It consists of a high-performance LiNbO3 phase modulator as the frequency shifter in the delayed self-heterodyne interferometer
Low Noise EDFAs
1310 nm In-line Depolarizer, PM-PM Raman Amplifier Module The coupler is a 1x2The depolarizer divides an input beam into two orthogonally polarized beams of equal power. It introduces a delay in one beam before reuniting both using a polarization combiner. The delay exceeds the coherence length of the light source, removing the fixed phase relationship upon recombination. FEATURES Low Insertion Loss High Return Loss High Extinction Ratio High Stability High Reliability USE IN Communication Systems Test Instrument Fiber Sensor
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