5. Optical Performance
5.1 Insertion Loss (IL)
• MPO (Single-mode APC):
￮ Standard: ≤0.75dB (max), ≤0.35dB (typical)
￮ Super low loss: ≤0.35dB (max), ≤0.20dB (typical)
• MPO (Multimode PC):
￮ Standard: ≤0.6dB (max), ≤0.35dB (typical)
￮ Super low loss: ≤0.35dB (max), ≤0.20dB (typical)
• LC connectors: ≤0.3dB (max)
5.2 Return Loss (RL)
• MPO (Single-mode APC): ≥60dB
• MPO (Multimode PC): ≥25dB
• LC (APC): ≥60dB; LC (UPC): ≥50dB
• LC (Multimode PC): ≥35dB
5.3 Mechanical Performance
• Durability: ≤0.3dB typical change after 200 matings
• Interchangeability: ≤0.2dB
• Tensile strength: >70N
• Operating temperature: -40°C to +85°C
6. Connector End-Face 3D Geometry
6.1 MPO End-Face
• Radius of curvature (ROC‑X): ≥2000mm
• Radius of curvature (ROC‑Y): ≥50mm
• APC angle: 7.85° ~ 8.15°
• PC angle: -0.2° ~ -0.2°
• Fiber height: 1000nm ~ 3500nm
• Core dip (multimode): -200nm ~ 300nm
• All fiber DH: -300nm ~ 300nm
6.2 LC End-Face (PC/APC)
• Radius of curvature (PC): 7~25mm
• Radius of curvature (APC): 5~15mm
• Apex offset: ≤50μm
• Fiber spherical height: ±100nm
• Angular offset (APC): 8°±0.5°
7. End-Face Quality (per IEC 61300-3-35)
7.1 Single-mode LC
• Zone A (core, 0–25μm): no scratches, no defects
• Zone B (cladding, 25–115μm): no scratches, no defects
• Zone C (adhesive, 115–135μm): no scratches, no defects
• Zone D (contact, 135–250μm): no scratches, no defects
7.2 Multimode LC
• Zone A (core, 0–65μm): no scratches, no defects
• Zone B (cladding, 65–115μm): no scratches, no defects
• Zone C (adhesive, 115–135μm): no scratches, no defects
• Zone D (contact, 135–250μm): no scratches, no defects
8. Applications
• Data communication networks
• Optical access networks
• Storage area networking (SAN) / Fiber Channel
• High-density optical architectures
• 10G/40G/100G data center interconnections
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