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| Pulsed pumped Yb-doped fiber amplifier at low repetition rate | |
| 作者姓名： | 叶昌庚 闫平 巩马理 雷鸣 |
| 作者单位： | Center for Photonics and Electronics State Key Laboratory of Tribology，Department of Precision Instruments，Tsinghua University，Beijing 100084，Center for Photonics and Electronics State Key Laboratory of Tribology，Department of Precision Instruments，Tsinghua University，Beijing 100084，Center for Photonics and Electronics State Key Laboratory of Tribology，Department of Precision Instruments，Tsinghua University，Beijing 100084，Center for Photonics and Electronics State Key Laboratory of Tribology，Department of Precision Instruments，Tsinghua University，Beijing 100084 |
| 摘 要： | A pulsed pumped Yb-doped double-clad fiber (DCF) master-oscillator power amplifier (MOPA) at low repetition rate is reported. Seeded by a passive Q-switched Nd:YAG microchip laser, the fiber amplifier can generate 167-kW peak-power and 0.83-ns duration pulses at 200-Hz repetition rate. Because of the pulsed pump approach, the amplified spontaneous emission (ASE) and the spurious lasing between pulses are well avoided, and the repetition rate can be set freely from single-shot to 1 kHz. Peak power scaling limitations that arise from the fiber facet damage are discussed. |
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