Abstract
A glass fiber suitable for use in a light amplifier or laser application which includes an inner cylindrical glass core with a substantially uniform layer of a direct band gap semiconductor material surrounding said core, and a substantially uniform layer of an outer glass cladding surrounding said semiconductor layer. The preform from which the fiber is made is also disclosed.
| Original language | English (US) |
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| Patent number | 5,838,868 |
| State | Published - Nov 17 1998 |