双端泵浦保偏光纤激光器
Double-end pump polarization-maintaining fiber laser
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摘要: 以两台808 nm半导体激光器LD1和LD2为泵浦源，对光纤激光器双端泵浦进行了研究，获得了6.5 W的激光输出。实验分别测出了LD1和LD2半导体激光器单端泵浦和双端泵浦时的输出功率，对双端泵浦输出功率与单端泵浦功率之和进行了比较，利用双端泵浦提高了泵浦效率和输出激光功率。同时测量了输出激光的偏振度，通过计算得到双端泵浦输出激光的偏振度为0.5。Abstract: The double-end pumped polarizationmaintaining fiber laser was studied by using two semiconductor lasers LD1 and LD2. The output powers of the fiber laser were tested by using LD1 and LD2 single-end pumping and double-end pumping. The output power of double-end pumping was compared with the power sum of LD1 and LD2 single-end pumping, which shows that double-end pumping can enhance the pumping efficiency and output power of the fiber laser. The output power of the double-end pumped fiber laser was 6.5 W, and the output polarization degree was 0.5.
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Key words:
- laser technique /
- fiber laser /
- double-end pumping /
- polarizationmaintaining
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