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) : 0.02 – 0.04
FWHM after GRIN focalization : 2 – 4 µm
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
In addition to the GRIN fiber, the fiber hollow microstructure is enclosed by a silica rod at the other end to prevent external contamination.
