Preparation of graded-index optical glass fibres in the alkali germanosilicate system |
| |
| Authors: | van Ass HMJM Gossink RG Severin PJW |
| |
| Affiliation: | Philips Research Laboratories, Eindhoven, Netherlands; |
| |
| Abstract: | Multicomponent glass fibres with a graded refractive index have been made in the alkali germanosilicate system using the double-crucible method. The index profile is based on Na+ ? K+ ion exchange. Bulk-glass absorption losses of ?10 dB/km at 752 nm have been measured. The present minimum level of fibre attenuation is 35 dB/km. |
| |
| Keywords: | |
|
