TEC Fiber
Thermally-diffusion Expand Core Fiber
TEC Fiber is a significant fiber device to reduce the coupling loss induced by optical alignment error between two different core SM fibers and between the SM fiber and the laser diode, and during assembling of optical components.
Applications
Low Loss Splicing and Connecting
Two different core fibers can be spliced or connected with LOW LOSS by using TEC technologyEasy Assembling
Assembling tolerance can be relaxed in case of coupling the TEC fiber with the laser diode and in case of inserting micro optic components between TEC fibers.
Specifications
| ITEM | MFD 20 | MFD 30 | ||
|---|---|---|---|---|
| Initial Mode Field Diameter | MFD | µm | 10 | 10 |
| After TEC Treatment | MFD |
µm | 20 ± 2 | 30 ± 2 |
| Wavelength | λ | µm | 1.55 | 1.55 |
| Minimum Cladding Diameter | Dmin | µm | > 122.0 | > 122.0 |
| Cladding Diameter | Df | µm | 125 | 125 |
| Coating Diameter | Dc | µm | 250 | 250 |
| TEC Region Length | Lt | mm | 1.5 ± 0.5 | 1.5 ± 0.5 |
| Bare Fiber Length | Lo | mm | > 8 | > 10 |
| Polishing Length | Lp | mm | < 0.5 | < 0.5 |
| Fiber Length | Lf | m | 1.5 | 1.5 |
FIBER
- SUMITOMO SM Fiber ES-1/50UV
- Clad Dia.124.9µm / MFD 8.9µm / Cut off 1.24µm / Loss 0.332dB/km @1.31µm / Coating Dia. 0.253mm
Note : Specifications for TEC fiber is based on commercially available fibers and is dependent on fiber structure.
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