With using absolute optical interferometer for measuring lengthofblockgauge, it is necessary to solve the problem of phase jump for reflecting of light on its surface.
在用绝对光波干涉法测量量块长度时，必须解决光在量块表面反射时的位相跃变问题。
2
It introduces how to calibrate standard gaugeblock with the help of universal length measuring machine. It simplifies calibration link, improves work efficiency and cuts down company's expense.