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Dye laser pumped Pr3+-doped fiber lasers: basic parameter investigation, CW operation, and Q-switched operation

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3 Author(s)
Shi, Y. ; Inst. of Phys. & Astron., Aarhus Univ., Denmark ; Ragey, J.P. ; Poulsen, O.

An investigation of a Pr3+-doped Al2O3 -SiO2 glass fiber is described. The basic material parameters like fluorescence lifetime and stimulated emission cross section, measured around 1048 nm, where the fiber has a strong emission band, are discussed. The pump source was a Rh6G dye laser at 590 nm. Continuous wave (CW,) operation with a slope efficiency of 26% and a pump threshold of 1.2 mW was obtained. The Q-switched operation, yielding a repetition rate up to 10 kHz with a maximum peak power of 30 W and a minimum pulsewidth of 25 ns, is described

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Quantum Electronics, IEEE Journal of  (Volume:29 ,  Issue: 5 )