线性调频外差法测量液体折射率

Measurement of liquid refractive index with a linear frequency modulation heterodyne method

介绍了利用半导体激光器的电流调制特性 ,采用线性调频外差法测量液体折射率的原理和方法 .同其他方法相比 。

The method of measuring liquid refractive index with a linear frequency modulated semiconducor laser was described. Compared with other methods, the accuracy of this method is higher and the measurement can be controlled more easily.