45°倾斜光纤光栅波长可调谐调Q光纤激光器
45°倾斜光纤光栅波长可调谐调Q光纤激光器
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胡啸林 , 闫志君 , 黄千千 , 邹传杭 , 王天行 , 牟成博 / Hu Xiaolin , Yan, Zhijun , Huang, Qianqian , Zou Chuanhang , Wang, Tianxing and Mou Chengbo
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Chengdu: Editorial Office of Opto-Electronic Advances
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Chengdu: Editorial Office of Opto-Electronic Advances
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本文提出了一种基于45°倾斜光纤光栅与带通滤波器的连续可调谐全光纤调Q掺铒激光器，45°倾斜光纤光栅与其两侧的偏振控制器可以实现非线性偏振旋转效应，调Q的产生则是因为非线性偏振旋转效应使环形腔中的激光产生强度依赖损耗从而导致脉冲压缩。在泵浦功率为655 mW时，通过调节具有中心波长选择作用的带通滤波器，调Q状态下可以实现光谱在1512 nm~1552 nm范围内的连续可调，平均输出功率从0.282 mW逐渐增加到4.884 mW，脉冲重复频率从23.7 kHz逐渐增加到119.0 kHz。据我们所知，这是目前为止基于非线性偏振旋转效应与光谱带通滤波器实现的可调谐调Q的光纤激光器中连续可调谐波长范围最宽的。
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45°倾斜光纤光栅波长可调谐调Q光纤激光器
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TN_cdi_wanfang_journals_gdgc201810003
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_gdgc201810003
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ISSN
1003-501X
DOI
10.12086/oee.2018.170741
