| 波长间隔可调的可开关双波长掺铒光纤激光器 |
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| 引用本文： | 冯新焕,刘艳格,孙磊,袁树忠,开桂云,董孝义.波长间隔可调的可开关双波长掺铒光纤激光器[J].中国物理 B,2005,14(4):779-784. |
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| 作者姓名： | 冯新焕 刘艳格 孙磊 袁树忠 开桂云 董孝义 |
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| 作者单位： | Institute of Modern Optics, Nankai University, Tianjin, 300071,China;Institute of Modern Optics, Nankai University, Tianjin, 300071,China;Institute of Modern Optics, Nankai University, Tianjin, 300071,China;Institute of Modern Optics, Nankai University, Tianjin, 300071,China;Institute of Modern Optics, Nankai University, Tianjin, 300071,China;Institute of Modern Optics, Nankai University, Tianjin, 300071,China |
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| 基金项目： | Project supported jointly by the Tianjin Natural Science Foundation Projects (Grant No 033800211), by the State Key Development Programme for Basic Research of China (Grant No 2003CB314906) and by the National High Technology Development Programme of China (Grant No 2003AA312100). |
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| 摘 要： | 对两种波长间隔可调的可开关双波长掺铒光纤激光器结构进行了实验研究。一种结构应用保偏光纤中布拉格光栅作为波长选择器件，另一种结构则利用侧向压力下的常规单模光纤光栅作为波长选择器件。两种结构均利用了光纤光栅的双折射特性。在室温下，通过调整偏振控制器的状态可使两激光器工作在稳定的双波长状态或在两单波长之间转换。通过改变加在光纤光栅上侧向应力的大小和方向，可有效控制双波长激射的波长间隔。
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| 关 键 词： | 掺铒光纤 光纤布拉格光栅 双波长振荡 保偏光纤 |
| 收稿时间： | 6/8/2004 12:00:00 AM |
Switchable and spacing-tunable dual-wavelength erbium-doped fibre lasers |
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| Feng Xin-Huan,Liu Yan-Ge,Sun Lei,Yuan Shu-Zhong,Kai Gui-Yun and Dong Xiao-Yi.Switchable and spacing-tunable dual-wavelength erbium-doped fibre lasers[J].Chinese Physics B,2005,14(4):779-784. |
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| Authors: | Feng Xin-Huan Liu Yan-Ge Sun Lei Yuan Shu-Zhong Kai Gui-Yun and Dong Xiao-Yi |
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| Institution: | Institute of Modern Optics, Nankai University, Tianjin, 300071,China |
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| Abstract: | Two switchable and spacing-tunable dual-wavelength linear cavity erbium-doped fibre lasers are demonstrated experimentally. One of them utilizes a Bragg grating in polarization-maintained PANDA fibre and the other uses a Bragg grating in standard single mode fibre for wavelength selection. Both exploit the birefringence characteristics of the FBG induced by transverse strain. The proposed lasers can be made to operate in stable dual-wavelength or switch between two wavelengths at room temperature just by simple adjustment of a polarization controller. Transverse strain loading on the FBG allows the wavelength spacing to be controlled. |
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| Keywords: | Erbium-doped fibre fibre Bragg grating fibre laser dual-wavelength lasing polarization- maintaining fibre |
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