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。
With using absolute optical interferometer for measuring length of block gauge, it is necessary to solve the problem of phase jump for reflecting of light on its surface.
杨氏双缝、菲涅耳双棱镜、双面镜以及劳埃镜等实验测定光波波长时,均是用测量干涉条纹宽度法。
The wavelengths are determined usually by measuring the widths of interference fringes in many experiments such as Young's slits, Fresnel biprism, bimirror and Lloyd's mirror etc.
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