By analyzing the measuring data processing formula of laser interferometer, the theory to use end correction method to automatic real-time compensate the offset of the wavelength is presented.

• 介绍了激光干涉仪在现场测量中激光波长的补偿,通过分析激光干涉仪测量数据处理公式,提出了波长补偿值用终端修正的方式进行自动实时补偿的理论。