Datasheet

Components & Accessories

SM-GDF-1550, Single Mode Passive Double Clad Optical Fiber

Product image of SM-GDF-1550, Single Mode Passive Double Clad Optical Fiber

Coherent's SM-GDF-1550 fibers are optimized for passive laser systems operating in the 1550 nm wavelength range. Featuring a high-performance core design, these fibers deliver exceptional beam quality and low splice loss. The NuCOAT fluoroacrylate coating ensures superior environmental durability and long-term reliability, making these fibers ideal for demanding industrial, medical, and defense applications.

Features

  • Optimized for 1550 nm - Delivers precise beam quality
  • NuCOAT fluoroacrylate coating - Provides superior environmental durability
  • Single-mode operation - Ensures low splice loss
  • Proof tested to > 100 kpsi - Guarantees long-term reliability
  • RoHS compliant

Applications

  • Telecom passive fiber systems
  • Medical instrumentation
  • Industrial precision lasers
  • Defense optical systems
Parameter SM-GDF-1550
Optical Specifications
Operating Wavelength 1450 - 1600 nm
Core NA 0.12
Mode Field Diameter (Gaussian) 10.5 ± 0.7 µm @ 1550 nm
10.5 ± 0.7 μm @ 1550 nm
Cutoff 1440 ± 80 nm
Core Attenuation ≤ 1.00 dB/km @ 1550 nm
Cladding Attenuation ≤ 15.0 dB/km @ 1095 nm
First Cladding NA ≥ 0.460
Geometrical & Mechanical Specifications
Cladding Diameter 125.0 ± 1.0 µm
125.0 ± 1.0 μm
Coating Material NuCOAT fluoroacrylate
Core Diameter 9 μm
Coating Diameter 245.0 ± 10.0 μm
Core/Clad Offset ≤ 0.50 μm
Coating Concentricity < 5.0 μm
Prooftest Level ≥ 100 kpsi (0.7 GN/m²)