| 激光光源粒子计数器响应曲线对粒子折射率敏感度及多值性的分析 |
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| 引用本文： | 李学彬,高亦桥,徐青山,胡顺星,胡欢陵.激光光源粒子计数器响应曲线对粒子折射率敏感度及多值性的分析[J].光学技术,2006,32(4):486-489. |
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| 作者姓名： | 李学彬 高亦桥 徐青山 胡顺星 胡欢陵 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所大气光学研究中心 合肥230031 |
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| 摘 要： | 采用激光作光源的光学粒子计数器(L_OPC)克服了白炽灯作光源时使用寿命短、发光强度不稳定、需要经常标定的缺点,但激光波长的单一也带来了一些问题,如响应曲线对折射率敏感度的变化和多值性等问题。利用Mie散射理论,通过数值模拟实验,对L_OPC的这些问题进行了分析,提出了L_OPC实验样机的设计参数。
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| 关 键 词： | 光学粒子计数器 响应曲线 激光光源 |
| 文章编号： | 1002-1582(2006)04-0486-04 |
| 收稿时间： | 2005/6/17 |
| 修稿时间： | 2005年6月17日 |
Analysis of sensitivity of L-OPC response to refractive index and its multi-value character |
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| LI Xue-bin,GAO Yi-qiao,XU Qing-shan,HU Shun-xing,HU Huan-ling.Analysis of sensitivity of L-OPC response to refractive index and its multi-value character[J].Optical Technique,2006,32(4):486-489. |
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| Authors: | LI Xue-bin GAO Yi-qiao XU Qing-shan HU Shun-xing HU Huan-ling |
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| Abstract: | Laser optical particle counter(L-OPC) is of a laser as its light source,which can conquer disadvantage of white light source,such as unstable luminous flux,short life-span and frequent calibration.It is needed in L-OPC design to investigate the sensitivity of its response to refractive index,the multi-value property of its response,and selection of optimum scattering angle.The simulation method is used to analyze these problems,and their solutions are presented. |
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| Keywords: | applied optics optics design optical particle counter response laser source |
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