Polarization Maintaining Fused Optical Coupler

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Polarization Maintaining Fused Optical Coupler
Posting date : Feb 20, 2012
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84-
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Polarization Maintaining Fused Optical Coupler is Good Uniformity and Low Insertion Loss ,Low Polarization Dependent Loss.Excellent Environmental Stability,Excellent Mechanical capacity.And it is widely used in the FTTX and FTTH,PON,LAN,CATV, Test Equipment etc. Performance Specifications Parameter 1X2,2X2 Operating wavelength(nm) 780,850 980 1060 1310, 1480, 1550 P grade A grade P grade A grade P grade A grade Coupling Ratio 50/50,30/70,20/80,10/90,5/95,3/97,2/98,1/99 Max. Excess Loss(dB) ≤0.6 ≤0.8 ≤0.4 ≤0.6 ≤0.3 ≤0.4 Max Uniformity(dB) ≤0.8 Min. Extinction Ratio(dB) ≥20 ≥18 ≥20 ≥18 ≥20 ≥18 Optical Return Loss(dB) ≥50 Power Handing(mW ) 500 Max. Tensile Load(N) 5 Operating Temperature (° C) -5 ~ +70 Storage Temperature (° C) - 40 ~ +85 Fiber Type 3×54 or longer Coupling Ratio Insertion Loss (dB) 780,850 980 1060 1310, 1480, 1550 P grade A grade P grade A grade P grade A grade 50/50 ≤3.8 ≤4.0 ≤3.6 ≤3.8 ≤3.4 ≤3.6 30/70 / ∕ ≤5.75/2 ≤6.1/2.1 ≤5.6/1.9 ≤5.75/2 20/80 ≤8.2/1.7 ≤8.5/1.9 ≤8.0/1.5 ≤8.2/1.7 ≤7.6/1.4 ≤8.0/1.5 10/90 ≤11.8/1.4 ≤12.0/1.6 ≤11.6/1.2 ≤11.8/1.4 ≤11.2/0.85 ≤11.6/1.0 5/95 ≤15.0/1.0 ≤15.2/1.2 ≤14.8/0.8 ≤15.0/1.0 ≤14.2/0.6 ≤14.8/0.8 3/97 ∕ ∕ ≤16.57/0.45 ≤17.12/0.6 ≤15.2/0.4 ≤15.8/0.5 2/98 ∕ ∕ ≤18.4/0.35 ≤18.9/0.5 ≤16.8/0.35 ≤17.4/0.45 1/99 ≤22.5/0.6 ≤22.8/0.8 ≤22.0/0.4 ≤22.5/0.6 ≤21.5/0.3 ≤22/0.4 Note: For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. For device with connector, key aligned to slow axis if no advance requirement.

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