摘要
激光相位多普勒技术PDA测量时对激光光束光路调整要求很高 ,但在大多数PDA实验测量中其激光光程常常布置有透明玻璃。理论上 ,有机玻璃的存在必定给实验测量带来了系统误差。通过PDA喷雾实验对有无有机玻璃以及改变玻璃板的厚度几种情况进行了对比测量 ,发现有机玻璃板的存在对实验结果的影响较大 ,并对其产生原因进行了理论分析。
The beam alignment is very strict in laser phase-Doppler particle analyzer(PDA) measurement,and transparent organic glass is usually placed in the experiment.In theory,the organic glass can induce system error.Based on PDA spraying experiment with or without organic glass,with various thickness of organic glass,the effect of organic glass on PDA measurement result was found.Then the reason was analyzed.
出处
《激光技术》
CAS
CSCD
北大核心
2003年第3期268-270,共3页
Laser Technology
关键词
相位多普勒技术
喷雾
折射率
phase-Doppler particle analyzer
spraying
refractive index
