On the basis of analyzing the method of measuring gauge blocks for the Kosters interferometer,a new method,which uses the phase-stepping interferometry,has been brought.

• 在分析了传统的柯氏干涉仪的量块测量方法基础上，提出运用相位偏移干涉法的量块测量法，最后给出了量块测量的数据。