Datasheet
Components & Accessories
SM-TSF-9/125, Single Mode Tm-Doped Optical Fiber
Coherent's SM-TSF-9/125 fibers are designed for high-performance laser systems operating at ~2 µm. Featuring a single-mode core with a 9 µm diameter and a 125 µm cladding diameter, these fibers provide exceptional pump absorption and beam quality. The optimized glass composition ensures efficient lasing, while the NuCOAT fluoroacrylate coating provides enhanced environmental durability and long-term reliability, making these fibers ideal for industrial, medical, and defense applications.
Features
- Optimized for operation at ~2 µm - Ensures efficient lasing
- NuCOAT fluoroacrylate coating - Provides superior environmental durability
- Single-mode core design - Maintains beam quality
- Proof tested to > 100 kpsi - Guarantees long-term reliability
- RoHS compliant
Applications
- High-power CW lasers
- Medical laser systems
- Industrial laser systems
- Defense applications
Datasheet
| Parameter | SM-TSF-9/125 |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1900 - 2100 nm |
| Core NA | 0.15 |
| Mode Field Diameter (Gaussian) | 10.5 µm @ 2000 nm (nominal) 10.5 μm @ 2000 nm (nominal) |
| Cutoff | 1750 ± 100 nm |
| Core Absorption | 27.00 dB/m at 793 nm |
| Birefringence | nominal 2.5 x 10⁻⁴ |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 125.0 ± 1.0 µm 125.0 ± 1.0 μm |
| Coating Material | Acrylate |
| Core Diameter | 9.0 μm |
| Coating Diameter | 245.0 ± 15.0 μm |
| Core/Clad Offset | ≤ 0.50 μm |
| Coating Concentricity | < 20.0 μm |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |