中文摘要：

设计了一种粒子计数器,它可以测量粒子的动力学粒径和两个散射角下的散射光强度,而粒子的散射强度可以根据Mie散射理论从光学等效粒径和粒子折射率出发计算出来。当可以近似认为动力学粒径与光学等效粒径相同时,利用上述测量结果可以反演计算单个粒子的折射率。

英文摘要：

A style of particle counter is designed. It may measures aerdynamic sizing and scattering intensity of two scattering angles of aerosol particle. The scattering intensity of aerosol particle can also be calculated from the sizing and refractive index according to Mie theory. When aerodynamic sizing is equal to optics sizing approximatively, Combining the measurement results of those can inverse refractive index of individual aerosol particles.