Datasheet
Components & Accessories
LMA-HTF-40/250/400, High-Temperature Tm-Doped Fiber
Coherent High-Temperature Tm-Doped Fibers (HTF) are optimized for high-power laser and amplifier applications at ~2 µm. Featuring a 40 µm core diameter and a dual cladding design with diameters of 250 µm and 400 µm, these fibers deliver high pump absorption and robust performance. The high-temperature acrylate coating ensures stability and reliability under extreme thermal conditions, making them suitable for industrial, medical, and defense applications.
Features
- High-temperature acrylate coating - Stability under extreme thermal conditions
- Dual cladding design - Optimized for high pump absorption
- 40 µm core diameter - Excellent beam quality
- Proof tested to > 100 kpsi - Long-term reliability
- RoHS compliant
Applications
- High-power CW and pulsed lasers
- Medical laser systems
- Military and defense applications
- Material processing
Datasheet
| Parameter | LMA-HTF-40/250/400 |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 2100 - 2200 nm |
| Core NA | 0.080 ± 0.010 |
| First Cladding NA | ≥ 0.46 |
| Cladding Absorption | 0.55 ± 0.20 dB/m at 1150 nm |
| Geometrical & Mechanical Specifications | |
| Core Diameter | 40.0 ± 4.0 μm |
| Coating Diameter | 550.0 ± 15.0 |
| Coating Material | NuCOAT fluoroacrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |
| First Cladding Diameter | 250.0 ± 10.0 μm |
| Second Cladding Diameter | 320 ± 15 μm |
| Third Cladding Diameter | 400 ± 10 μm |