Hollow-Core Photonic Bandgap Fibers
Hollow-core photonic bandgap fibers use a microstructured cladding region with air holes to guide light in a hollow core.
The photonic bandgap guiding mechanism is fundamentally different from the traditional total internal reflection guiding principle. This new technology provides the basis for high power delivery without nonlinear effects or material damage.
- High threshold power for nonlinear effects
- Pure silica material
- Core can be filled with gasses, particles etc
- Extreme dispersion values for pulse compression/dispersion compensation
- No Fresnel reflections at open fiber end
- High power pulse transmission
- Pulse compression
Examples of fiber cross sections
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