✦ LIBER ✦
High power widely tunable Tm:fiber laser with spectral linewidth of 10 pm
✍ Scribed by F. Wang; D.Y. Shen; D.Y. Fan; Q.S. Lu
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 124 KB
- Volume
- 7
- Category
- Article
- ISSN
- 1612-2011
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✦ Synopsis
We report on high-power, efficient operation of a widely tunable, cladding pumped Tm:fiber laser using a volume Bragg grating (VBG) for wavelength selection and spectral narrowing. The operating wavelength was tunable from 1943 to 1998 nm, with > 53 W output power over a tuning range of 50 nm from 1948 nm to 1998 nm and a spectral linewidth of 10 pm. Over 58.1 W of diffraction limited (M 2 ∼ 1.5) CW output power was generated for 143.6 W of launched pump power at 792 nm, corresponding to a slope efficiency with respect to launched pump power of 45%.
Intensity, a.u.