High-power cladding-pumped Tm-doped silica fiber laser with wavelength tuning from 1860 to 2090 nm

W. A. Clarkson, N. P. Barnes, P. W. Turner, J. Nilsson, D. C. Hanna
2002 Optics Letters  
A high-power double-clad Tm-doped silica fiber laser, pumped by two beam-shaped and polarization-coupled diode bars at 787 nm, was wavelength tuned by use of an external cavity containing a diffraction grating. The Tm fiber laser produced a maximum output power of 7 W at 1940 nm for 40 W of incident diode power and was tuned over a wavelength range of 230 nm from 1860 to 2090 nm, with .5-W output power over the range 1870-2040 nm. The prospects for further improvement in performance and
more » ... ormance and extension of the tuning range are discussed.
doi:10.1364/ol.27.001989 pmid:18033421 fatcat:4r6k5aebzbacdbhwg72ixpyege