over 19 w single-mode 1545 nm er,yb codoped all-fiber laser
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ID: 138393
2017
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Abstract
We report a high-power cladding-pumped Er,Yb codoped all-fiber laser with truly single transverse mode output. The fiber laser is designed to operate at 1545 nm by the use of a pair of fiber Bragg gratings (FBGs) to lock and narrow the output spectrum, which can be very useful in generating the eye-safe ~1650 nm laser emission through the Stimulated Raman Scattering (SRS) in silica fibers that is of interest in many applications. Two pieces of standard single-mode fibers are inserted into the laser cavity and output port to guarantee the truly single-mode output as well as good compatibility with other standard fiber components. We have obtained a maximum output power of 19.2 W at 1544.68 nm with a FWHM spectral width of 0.08 nm, corresponding to an average overall slope efficiency of 31.9% with respect to the launched pump power. This is, to the best of our knowledge, the highest output power reported from simple all-fiber single-mode Er,Yb codoped laser oscillator architecture.
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wu2017advancesover
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| Authors | ;Jiadong Wu;Chunxiang Zhang;Jun Liu;Ting Zhao;Weichao Yao;Pinghua Tang;Le Zhang;Hao Chen |
| Journal | majallah-i ̒ulum-i bāghbānī |
| Year | 2017 |
| DOI |
10.1155/2017/7408565
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