Random triples
| Subject | Object |
|---|---|
| gptkb:erbium-doped_fiber_amplifier | erbium-doped optical fiber |
| gptkb:Fiber_Laser | doped optical fiber |
| gptkb:erbium-doped_fibre_amplifier | erbium-doped optical fiber |
| gptkb:Erbium-Doped_Fiber_Amplifier | erbium-doped silica fiber |