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| 干涉法测量掺铒光纤的非线性折射率 | |
| 引用本文： | 梁铨廷 张永良. 干涉法测量掺铒光纤的非线性折射率[J]. 光子学报, 1996, 25(8): 736-739 |
| 作者姓名： | 梁铨廷 张永良 |
| 作者单位： | 广州师范学院物理系, 广州510400 |
| 摘 要： | 本文提出一种测量掺铒光纤非线性折射率的方法,该方法使氩离子激光通过一根掺铒光纤和另一根并排的普通光纤产生干涉.由掺铒光纤的非线性折射率导致的位相差变化将使干涉条纹发生位移,通过位移的测量可以得出光纤的非线性折射率. |
| 关 键 词： | 掺铒光纤 非线性折射率 干涉法 |
| 收稿时间： | 1995-07-06 |
MEASUREMENT OF THE NONLINEAR REFRACTIVE INDEX OF ERBIUM DOPED FIBER BY INTERFERENCE TECHNIQUE |
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| Liang Quanting,Zhang Yongliang,Zhong Huandong,Wu Defen. MEASUREMENT OF THE NONLINEAR REFRACTIVE INDEX OF ERBIUM DOPED FIBER BY INTERFERENCE TECHNIQUE[J]. Acta Photonica Sinica, 1996, 25(8): 736-739 | |
| Authors: | Liang Quanting Zhang Yongliang Zhong Huandong Wu Defen |
| Affiliation: | Dept.of Physics, Guangzhou Teachers College, Guangzhou 510400 |
| Abstract: | In this paper,a method for measuring the nonlinear refractive index of the erbium doped fiber is presented.A laser light at 514 nm wavelength is launched into both cores of the two parallel fibers,of which one core is Er3+-doped and the other core contains no Er3+.The interference fringes in the far field at the far ends of fibers are observed.As the incident optical power is varied,a fringe shift occurs for the nonlinearity of Er3+-doped fiber.The nonlinear refractive index can be derived from the fringe shift. |
| Keywords: | Erbium doped fiber Nonlinear refractive index Interference technique |
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