| 光电粒子计数器测量气溶胶折射指数虚部 |
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| 引用本文： | 胡欢陵,许军. 光电粒子计数器测量气溶胶折射指数虚部[J]. 大气科学, 1991, 15(5): 18-24. DOI: 10.3878/j.issn.1006-9895.1991.05.03 |
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| 作者姓名： | 胡欢陵 许军 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所(胡欢陵)，中国科学院安徽光学精密机械研究所(许军) |
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| 摘 要： | 本文分析了光电粒子计数器测量结果对气溶胶折射指数的敏感度,讨论了它测量的粒子谱分布与折射指数虚部n_i的相关关系。根据光电粒子计数器测量的粒子谱分布对n_i敏感的特点,利用光电粒子计数器和太阳辐射计同时测量的结果,可以确定气溶胶的n_i。实际测量的n_i值与积分片方法测量结果对比表明,这个方法是令人满意的。
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| 关 键 词： | 气溶胶 折射指数 光电粒子计数器 |
Deducing Imaginary Part of Refractive Index of Aerosol With an Optical Particle Counter |
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| Hu Hangling and Xu Jun. Deducing Imaginary Part of Refractive Index of Aerosol With an Optical Particle Counter[J]. Chinese Journal of Atmospheric Sciences, 1991, 15(5): 18-24. DOI: 10.3878/j.issn.1006-9895.1991.05.03 |
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| Authors: | Hu Hangling and Xu Jun |
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| Affiliation: | Anhui Institute of Optics and Kne Mechanics' Chinese Academy of Sciences |
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| Abstract: | This paper analyses the sensitivity of an optical particle counter ( OPC) measurement to the refractive index of partic les, and discusses the dependance of aerosol size distributions measured by an OPC on ni, the imaginary part of the refractive index. By use of the high sensitivity of OPC measurements to ni, values of ni can be deduced from simultaneous measurements by an OPC and a solar radiometer. Compared with those obtained by the integrating plate method, the results of the experiment are satisfactory. |
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| Keywords: | Aerosol Refractive index Optical particle counter. |
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