基于光阻法的药液中异物信号分析及光路优化

上海交通大学学报（自然版） ›› 2014, Vol. 48 ›› Issue (10): 1357-1361.

• 无线电电子学、电信技术 • 下一篇

基于光阻法的药液中异物信号分析及光路优化

梁明亮a，黄梅珍b，孙振华a，季芸a

（上海交通大学 a.物理系与天文系; b.电子信息与电气工程学院，上海 200240）

收稿日期:2013-11-05 出版日期:2014-10-28 发布日期:2014-10-28
基金资助:
国家自然基金重点项目（51235008）,国家重大仪器设备开发专项(2012YQ180132)

Analysis of Photo-Electronic Signal Characteristics and Optical Optimization for Detection of Impurities in Ampoules

LIANG Minglianga,HUANG Meizhenb,SUN Zhenhuaa,JI Yuna

(a. Department of Physics and Astronomy; b. School of Electronic Information and Electrical
Engineering, Shanghai Jiaotong University, Shanghai 200240, China)

Received:2013-11-05 Online:2014-10-28 Published:2014-10-28

摘要/Abstract

摘要：

对基于光阻法的药液中异物微粒检测的光电信号特征进行了分析，并分析和计算了颗粒大小、探测器有效光敏面积、光波长、光束宽度等对异物微粒产生的特征脉冲信号的影响.根据理论分析和计算结果，通过改进和优化光路设计，创新采用阵列透镜和阵列探测器方案，经过光学软件模拟和实验验证，有效增大了异物微粒的特征脉冲信号，从而提高了对异物微粒的检出率.

关键词: , 异物微粒检测, 光阻法, 阵列探测器, 检出率

Abstract:

A method based on the light-blocking theory for detecting impurity particle signals in ampoules was introduced. The optelectronic characteristics of signals of particles contained in ampoules were investigated and analyzed. First, the characteristics of the signal of the pulse amplitude were calculated and simulated based on the scattering theory and large particle light-blocking conditions, respectively. Next, the impact factors of particle diameter, area of detector, beam width and wavelength were investigated. In addition, in order to improve the accuracy of the test results, an optimized optical layout based on lens array and photodiode array was proposed and confirmed by experiment.

Key words: foreign particle detection, lightblocking, array detector, detection rate

中图分类号:

TN 247

梁明亮a，黄梅珍b，孙振华a，季芸a. 基于光阻法的药液中异物信号分析及光路优化[J]. 上海交通大学学报（自然版）, 2014, 48(10): 1357-1361.

LIANG Minglianga,HUANG Meizhenb,SUN Zhenhuaa,JI Yuna. Analysis of Photo-Electronic Signal Characteristics and Optical Optimization for Detection of Impurities in Ampoules[J]. Journal of Shanghai Jiaotong University, 2014, 48(10): 1357-1361.

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基于光阻法的药液中异物信号分析及光路优化

Analysis of Photo-Electronic Signal Characteristics and Optical Optimization for Detection of Impurities in Ampoules

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