| 摘要 |
<p>A wide band optical amplifier comprising first and second optical glass amplifying sections, the first optical glass amplifying section comprising (a) a TeO2 host glass; (b) an effective quantity of erbium dopant; (c) a network modifying metal oxide; and, (d) further ingredients wherein the amounts of (a), (b), (c) and (d) total 100 %, the second optical glass amplifying section comprising (e) a TeO2 host glass; (f) an effective quantity of thulium dopant; (g) a network modifying metal oxide; and, (h) further ingredients wherein the amounts of (e), (f), (g) and (h) total 100 %.</p> |
