Properties
Hollow core diameter : 20 – 40 µm
Fiber external diameter : 150 – 220 µm
Coating external diameter : 300 – 400 µm
Fiber sleeve diameter : 0.9 – 3 mm
Attenuation : 0.2 – 0.7 dB/m
Group velocity dispersion (GVD) : -4 – +4 ps/nm/km
Mode field diameter (MFD) : 15 – 26 µm
Numerical aperture (NA, core) : 0.02 – 0.04
Numerical aperture (NA, clad) : 0.33 – 0.38
The above are typical ranges for the properties of the different FemtoGuide fibers we provide.
Contact us for more information on the available fibers.
Examples of transmission spectrum
The fiber hollow microstructure is enclosed by silica rods at both ends to prevent external contamination.
