|
|||||
|
|
| 远红外激光磁共振光谱技术及对含碳自由基分子的观测 | |
| 引用本文： | 黄光明,石丽华,蔡欣,刘煜炎. 远红外激光磁共振光谱技术及对含碳自由基分子的观测[J]. 光谱学与光谱分析, 2003, 23(3): 454-457 |
| 作者姓名： | 黄光明 石丽华 蔡欣 刘煜炎 |
| 作者单位： | 1. 华中师范大学物理系,湖北,武汉,430079;中科院武汉物理与数学研究所,湖北,武汉,430071 2. 华中师范大学物理系,湖北,武汉,430079 3. 华东师范大学物理系,上海,200062;华中师范大学物理系,湖北,武汉,430079;中科院武汉物理与数学研究所,湖北,武汉,430071 |
| 基金项目： | 国家自然科学基金 (No 1 0 1 740 2 0 )，九五攀登计划资助项目 |
| 摘 要： | 本文报道国内建成的远红外激光磁共振 (FIRLMR)光谱仪的技术特点和工作原理。该谱仪采用CO2 激光横向泵浦远红外激光 ,样品吸收池置于远红外激光谐振腔内 ,由聚丙烯薄膜与远红外激光增益池隔开以获得很高的灵敏度 ,从而对寿命很短的自由基分子进行研究。利用该光谱仪在远红外波段测量得到了多个瞬态自由基分子CCH ,CF和CH2 的光谱 ,这些自由基分子由微波放电产生的氟原子与甲烷CH4 反应生成。 |
| 关 键 词： | 远红外 激光磁共振 激光光谱 |
| 文章编号： | 1000-0593(2003)03-0454-04 |
| 修稿时间： | 2002-03-01 |
Observation of Carbon-bear Free Radicals Using Far Infrared Laser Magnetic Resonance Spectroscopy |
|
| HUANG Guang-ming ,,SHI Li-hua,CAI Xin and LIU Yu-yan ,. Observation of Carbon-bear Free Radicals Using Far Infrared Laser Magnetic Resonance Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2003, 23(3): 454-457 | |
| Authors: | HUANG Guang-ming SHI Li-hua CAI Xin LIU Yu-yan |
| Affiliation: | Department of Physics, Central China Normal University, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, China. |
| Abstract: | The principle and technical characters of far infrared laser magnetic resonance (FIRLMR) spectrometer built up in China are introduced. A CO 2 transversely pumped far infrared laser is adopted. In order to obtain high sensitivity, the sample absorption cell is placed in the FIR laser cavity and separated from laser gain cavity with thin polypropylene film. The spectrometer can be employed to study short lived free redicals. The spectra of many transient free redicals including CCH,CF and CH 2 have been detected by the spectrometer. These transients are generated by mixing CH 4 with the fluorine atoms produced with microwave discharge. |
| Keywords: | Far infrared Laser magnetic resonance Laser spectroscopy |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |