Datasheet

Components & Accessories

LMA-TDF-25P/250-HE, Large Mode Area Tm-Doped Fiber

Product image of LMA-TDF-25P/250-HE, Large Mode Area Tm-Doped Fiber

Coherent Large Mode Area (LMA) Tm-doped fibers are optimized for high-power laser and amplifier systems operating at ~2 µm. Featuring a 25 µm core diameter and a 250 µm cladding diameter, the HE version offers enhanced performance for industrial, medical, and defense applications. The NuCOAT fluoroacrylate coating ensures environmental durability and long-term reliability, making these fibers ideal for demanding conditions.

Features

  • Tm-doped core - Optimized for 2 µm lasers
  • NuCOAT fluoroacrylate coating - Provides superior durability
  • High pump absorption - Reduces required fiber length
  • Proof tested to > 100 kpsi - Ensures long-term reliability
  • RoHS compliant

Applications

  • High-power CW and pulsed lasers
  • Eye-safe medical lasers
  • Military and defense systems
  • Material processing
Parameter LMA-TDF-25P/250-HE
Optical Specifications
Operating Wavelength 1900-2100 nm
Core NA 0.09
Cladding Attenuation 0-15 dB/km near 860 nm
Cladding Absorption 1.7-2.1 dB/km at 1180 nm
Cladding NA 0.46
Geometrical & Mechanical Specifications
Cladding Diameter 242-258 μm
Core Diameter 22.5-27.5 μm
Coating Diameter 380-410 μm
Coating Material NuCOAT fluoroacrylate
Prooftest Level 100-120 kpsi