| 动态光散射颗粒测量区的大小对测量结果的影响 |
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| 引用本文： | 杨晖,郑刚,李孟超,郁飞龙,边岱泉.动态光散射颗粒测量区的大小对测量结果的影响[J].激光技术,2009,33(4):384-384. |
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| 作者姓名： | 杨晖 郑刚 李孟超 郁飞龙 边岱泉 |
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| 作者单位： | 上海理工大学,光学与电子信息工程学院,上海,200093 |
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| 基金项目： | 国家自然科学基金;中国工程物理研究院与国家自然科学基金联合 |
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| 摘 要： | 本文采用100nm标准颗粒与过滤的蒸馏水制作不同体积分数的溶液作为测量颗粒样品，对不同测量区大小下测得的颗粒粒径的平均值和方差进行了比较。实验结果表明，当溶液浓度较低时，测量区过小会导致测量值的方差过大；当溶液浓度较高时，测量区过大会导致测量值偏小。
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| 关 键 词： | 颗粒测量 动态光散射 测量区 相干面积 |
| 收稿时间： | 2008-01-28 |
| 修稿时间： | 2008-06-25 |
Effect of the Measurement Area in Dynamic Light Scattering for Particle Sizing |
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| YANG Hui,ZHENG Gang,LI Meng-chao,YU Fei-long,BIAN Dai-quan.Effect of the Measurement Area in Dynamic Light Scattering for Particle Sizing[J].Laser Technology,2009,33(4):384-384. |
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| Authors: | YANG Hui ZHENG Gang LI Meng-chao YU Fei-long BIAN Dai-quan |
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| Abstract: | In this paper, the sample particles which are 100nm in diameter consist of various volume fraction of particles by filtered distilled water. A comparison is made of the mean and variance of the measurement from the different measurement area. The experiment results indicate that: in the low concentration solution, the too small measurement area will result in a bigger variance. On the other hand, in the high concentration solution, the large area will result in a smaller mean. |
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| Keywords: | scattering particle sizing measurement area coherence area |
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