A method of measuring metal linear expansion coefficient by Fresnel bimirror 利用菲涅耳双镜测金属线膨胀系数
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. 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。