| 吴端端,罗正钱,蔡志平,许惠英.全光纤自调Q双包层Er-Yb共掺光纤环形激光器[J].光电子激光,2014,(3):526~531 |
| 全光纤自调Q双包层Er-Yb共掺光纤环形激光器 |
| An all fiber self-Q-switched Er-Yb co-doped double- cladding fiber ring laser |
| 投稿时间：2013-08-19 |
| DOI： |
| 中文关键词: 自调Q Er-Yb共掺光纤(EYDF)激光器 可饱和吸收体 重复频率 信噪比(SNR) |
| 英文关键词:self-Q-switched Er-Yb co-doped fiber (EYDF) laser saturable absorber repetition rate signal-to-noise ratio (SNR) |
| 基金项目:国家自然科学基金(61177044)和福建省自然科学基金(2011J01370)资助项目 (厦门大学 信息科学与技术学院,电子工程系光电子技术研究所,福建 厦门 361005) |
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| 中文摘要: |
| 报道了一种结构紧凑的自调Q双包层Er-Yb共掺光纤(EYDF)环形激光器。利用双包层EYDF同时作为增益光纤 和可饱和吸收体,光纤光栅(FBG)作为波长选择器,实现了中心波长1539.80nm的稳定自调Q脉冲输出 。自调Q 运转可在泵浦功率376～1208mW 的较大范围内获得, 调Q重复频率从7.40kHz到64.2kHz连续可调谐。自调Q 最短脉冲宽度为1.8μs,最大单脉冲能量为1.65μJ,最大平均输出功率为81.3mW,调Q脉冲的 频谱信噪比(SNR)最高可达60dB。 |
| 英文摘要: |
| A compact self-Q-switched erbium/ytterbium co-doped d ouble-cladding fiber (EYDF) ring laser is demonstrated.Using an EYDF as both the gain fiber and saturable absorber,a fi ber Bragg grating (FBG) as the wavelength-selective element,the laser can operate at the status of stable sel f-Q-switching with the central wavelength of 1539.80nm and narrow linewidth of 0.07nm.The self-Q-switching operation can keep in a wide pump power range from 376mW to 1208mW.As the pump power inc reasing,the pulse repetition rate can be continuously tuned from 7.40kHz to 64.2kHz.When the pump power reaches 1208mW,the largest pulse repetition rate of 64.2kHz can be achieved.The largest average output p ower of 81.3mW is obtained from the 90% port of the optic coupler.The shortest pulse duration and the largest singl e pulse energy of the Q-switched laser are 1.8μs and 1.65μJ,respectively.The self-Q - switching operation is stable with the radio-frequency signal-to-noise ratio (SNR) of more than 60dB. |
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