Abstract
Watt-level erbium-praseodymium codoped ZBLAN midinfrared fiber laser with 100-nm continuously wavelength-tunable range (2.7-2.8 μm) is demonstrated. Continuous-wave output of >1 W with a line width of ~1.8 GHz over the entire tuning range is affordable. Owing to relatively small residual populations in the lower laser level 4I13/2 of Er ions in the Er-Pr-codoped system, the wavelength-tunable range shrinking with increasing pump power, which always happens in tunable singly Er-doped ZBLAN fiber lasers, was not observed in this tunable Er-Pr-codoped fiber laser.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 156-158 |
| Number of pages | 3 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 20 |
| Issue number | 2 |
| DOIs | |
| State | Published - Jan 15 2008 |
| Externally published | Yes |
Keywords
- Infrared lasers
- laser tuning
- optical fiber lasers
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering
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