| 基于液芯光纤的水中甲烷拉曼检测技术 |
| |
| 引用本文： | 徐伟,马兆铭,张帅,白玉.基于液芯光纤的水中甲烷拉曼检测技术[J].应用科技,2011,38(1):26-29,53. |
| |
| 作者姓名： | 徐伟 马兆铭 张帅 白玉 |
| |
| 作者单位： | 哈尔滨工程大学,信息与通信工程学院,黑龙江,哈尔滨,150001 |
| |
| 基金项目： | 国家863计划海洋技术领域资助项目(2006AA09A205) |
| |
| 摘 要： | 根据经典电磁理论和量子理论分析了拉曼光谱技术，探讨了共振拉曼效应对提高散射光强所起的作用．采用LRS—III型激光拉曼光谱仪对甲烷水溶液进行了拉曼检测实验，实验结果验证了水中甲烷拉曼检测的可行性．根据液芯光纤传光原理分析了输出拉曼光功率与损耗系数和光纤长度的关系，利用LabVIEW软件对液芯光纤的拉曼增益作用进行了仿真，仿真结果表明液芯光纤可提高拉曼光强达10^3倍．针对水中甲烷含量比较低的特点，提出基于液芯光纤并共振拉曼效应的方法，可提高拉曼光强接近10^9倍．
|
| 关 键 词： | 拉曼光谱 共振拉曼 液芯光纤 拉曼增益 |
Raman detection technologies of methane in water based on liquid core optical fiber |
| |
| XU Wei,MA Zhao-ming,ZHANG Shuai,BAI Yu.Raman detection technologies of methane in water based on liquid core optical fiber[J].Applied Science and Technology,2011,38(1):26-29,53. |
| |
| Authors: | XU Wei MA Zhao-ming ZHANG Shuai BAI Yu |
| |
| Institution: | XU Wei,MA Zhao-ming,ZHANG Shuai,BAI Yu (College of Information and Communication Engineering,Harbin Engineering University,Harbin 150001,China) |
| |
| Abstract: | Raman spectroscopy technology was analyzed based on classical electromagnetic theory and quantum theory,improvement of spectral intensity with resonance Raman effect was discussed.The Raman detection of methane in water had been done using the LRS-III Raman spectrometer,the experimental result showed that Raman detection of methane in water was feasible.Based on the optics transmission principle of liquid core optical's fiber,the relationship between the Raman optical output power and loss coefficient,fiber... |
| |
| Keywords: | Raman spectroscopy resonance Raman liquid core optical fiber Raman gain |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
