| 一种新颖的光纤光栅带宽调谐方法 |
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| 引用本文： | 董新永,刘志国,开桂云,董孝义.一种新颖的光纤光栅带宽调谐方法[J].光学学报,2001,21(10):275-1277. |
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| 作者姓名： | 董新永 刘志国 开桂云 董孝义 |
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| 作者单位： | 南开大学现代光学研究所教育部 |
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| 基金项目： | 国家自然科学基金 (6 0 0 770 12 ) |
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| 摘 要： | 提出了一种新颖有效的光纤光栅带宽调谐方法，将光纤布拉格光栅斜向粘贴到矩形截面弹性梁的侧面上，通过调节弹性梁的曲率，实现了对光纤布拉格光栅的线性带宽调谐，调谐后的光纤光栅带宽可达11．32nm，中心波长的变化小于0．1 nm。
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| 关 键 词： | 光纤布拉格光栅 带宽调谐 波长调谐 弹性梁 曲率 |
A Novel Method to Chirp Fiber Grating |
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| Dong Xinyong,Liu Zhiguo,Kai Guiyun,Dong Xiaoyi.A Novel Method to Chirp Fiber Grating[J].Acta Optica Sinica,2001,21(10):275-1277. |
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| Authors: | Dong Xinyong Liu Zhiguo Kai Guiyun Dong Xiaoyi |
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| Abstract: | A novel and efficient method for chirping fiber grating is demonstrated. The fiber Bragg grating was attached slantwis on a side face of a flexible beam. When the beam is bending, a strain gradient formed along the grating produces a variable shift in the Bragg spacing, resulting in a chirp up to 11.32nm nearly without central wavelength shift. |
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| Keywords: | fiber Bragg gratings band width tuning wavelength tuning |
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