Laser phase Doppler anemometry (PDA) technology can be used to measure moving particle's velocity, size and relativerefractiveindex simultaneously.
激光相位多普勒(PDA)能够同时测量粒子的速度、大小和相对折射率。
2
The contributions of wave component of different orders are dependence on the mean diameter, size distribution and relativerefractiveindex of the particles.
且光谱基波分量及低次谐波分量的贡献依赖于粒子直径、标准偏差及相对折射率的大小。
3
In this article, the influences of the mode field diameter, the cutoff wavelength and the relativerefractiveindex difference on the OTDR curve are also verified.