Abstract
A singly Ho3+-doped fluoride fibre laser that uses energy transfer upconversion to maintain the population inversion has produced 340 mW at 2.92 μm. The ∼1100 nm output from a diode-cladding-pumped Yb 3+-doped silica fibre laser was used as the pump source and a maximum slope efficiency of 5% was obtained.
| Original language | English |
|---|---|
| Pages (from-to) | 1400-1401 |
| Number of pages | 2 |
| Journal | Electronics Letters |
| Volume | 40 |
| Issue number | 22 |
| DOIs | |
| Publication status | Published - 28 Oct 2004 |
| Externally published | Yes |
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