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| Amplified Spontaneous Emission of Rhodamine B-Doped Step-Index Polymer Optical Fibre | |
| 作者姓名： | 李增昌 梁浩 郑志强 张其锦 明海 |
| 作者单位： | [1]StructureResearchLaboratory,UniversityofScienceandTechnologyofChina,Hefei230026／／DepartmentofPolymerScienceandEngineering,UniversityofScienceandTechnologyofChina,Hefei230026 [2]DepartmentofPolymerScienceandEngineering,UniversityofScienceandTechnologyofChina,Hefei230026 [3]DepartmentofPhysics,UniversityofScienceandTechnologyofChina,Hefei230026／／DepartmentofPhysics,FujianNormalUniversity,Fuzhou350007 [4]DepartmentofPhysics,UniversityofScienceandTechnologyofChina,Hefei230026 |
| 摘 要： | A step-index polymer optical fibre (SI POF) containing rhodamine B in poly (methyl methacrylate) (PMMA) has been fabricated by a perform technique. The rhodamine B content of the doped SI POF is 5ppm-wt. The spectra of the doped SI POF with different fibre lengths were measured. Amplified spontaneous emission (ASE) at 609 nm of an SI POF in length 40 cm has been observed at ambient temperature by end-pumping with a Nd:YAG laser operated at 532nm. The threshold of absorbed pump power for the onset of ASE is about 0.003mJ. |
| 关 键 词： | 放大自发射 玫瑰精 步长指数 聚合体光纤 |
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