Datasheet

Components & Accessories

SM1950, Single Mode Optical Fiber

Product image of SM1950, Single Mode Optical Fiber

Coherent's SM1950 fibers are optimized for high-performance single-mode operation at ~2 µm. Featuring a precise core design, these fibers deliver exceptional beam quality and reliable performance under demanding conditions. The NuCOAT fluoroacrylate coating provides superior environmental durability and ensures long-term reliability, making these fibers ideal for industrial, medical, and defense applications.

Features

  • Optimized for operation at ~2 µm - Ensures precise beam quality
  • NuCOAT fluoroacrylate coating - Provides superior environmental durability
  • Single-mode operation - Maintains exceptional beam quality
  • Proof tested to > 100 kpsi - Guarantees long-term reliability
  • RoHS compliant

Applications

  • High-power single-mode CW lasers
  • Medical laser systems
  • Precision instrumentation
  • Industrial laser systems
Parameter SM1950
Optical Specifications
Operating Wavelength 1850 - 2200 nm
Core NA 0.2
Mode Field Diameter (Gaussian) 8.0 μm @ 1950 nm (nominal)
Cutoff 1720 ± 80 nm
Geometrical & Mechanical Specifications
Cladding Diameter 125.0 ± 1.0 μm
Coating Material Acrylate
Core Diameter 7.0 μm
Coating Diameter 245.0 ± 15.0 μm
Core/Clad Offset ≤ 0.50 μm
Coating Concentricity < 5.0 μm
Operating Temperature Range -40 to 85 °C
Prooftest Level ≥ 100 kpsi (0.7 GN/m²)