Ge-doped silica

Ge-doped silica

Description

Ge-doped silica

The CeramOptec® Optran® Ultra WFGE fibers stand out through maximum numerical aperture values, unmatched performance and a broad spectral range. There is a large choice of core diameters and solutions tailored to your specific needs are available upon request.

High NA for demanding applications

Wavelength
Optran® Ultra WFGE 400 – 2400 nm

Numerical aperture (NA)
Standard	0,37 ± 0,02
Higher NA on request

Technical data
Wavelength / spectral range	Optran® Ultra WFGE: 400 – 2400 nm
Numerical aperture (NA)	0,37 ± 0,02
Operating temperature	-190 to +350 °C
Core diameter	Available from 50 to 1000 μm
Standard core / cladding ratios	1 : 1,04 \| 1 : 1,06 \| 1 : 1,1 \| 1 : 1,15 \| 1 : 1,2 \| 1 : 1,25 \| 1 : 1,4 or customised
Standard prooftest	100 kpsi (nylon, ETFE, acrylate jacket)
	70 kpsi (polyimide jacket)
Minimum bending radius	50 × cladding diameter (short-term mechanical stress)
	150 × core diameter (during use with high laser power)
Attenuation values	in relation to wavelength: see p. 18