科研之友
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摘要
An erbium-ytterbium co-doped fibre ring laser pumped by a 976 nm laser diode array is presented. The laser power reaches 1.07 W at 1565.8 nm under 3.5 W pump power, with an optical conversion efficiency of 30.6%. The optimal output splitting ratio is demonstrated to be 99%. Stable output with a fine-shaped laser spectrum is achieved, although no wavelength selecting component is utilized. The laser linewidth increases with pump power and approaches 0.5 nm at high pump power levels, indicating the inhomogeneous broadening property of the gain medium.
- 出版日期2005-7
- 单位南开大学
