Custom cross-sections

- Elliptical-core fiber

- Double-clad fiber

- Pure silica core fiber

- Highly-nonlinear photonic crystal fiber

- High-NA fiber

Custom dopants

- Erbium-doped PM fiber

- Ytterbium-doped fiber

- Thulium-doped fiber

- Praseodymium-doped fiber

Custom coatings

- Polyimide-coated fiber

- Aluminum-coated fiber

- Copper-coated fiber

- Multi-layer metal and polymer coatings