JIS B 7072-2:2020规定了一种测量方法，其中通过使用干涉测量法的干涉条纹亮度变化周期数读取光学玻璃温度变化时的光程长度变化，并根据变化计算折射率温度系数 光程长度的。

JIS B 7072-2:2020 specifies a measuring method in which the variation of optical path length with temperature change of optical glass is read by the number of periods of brightness changes of interference fringes using the interferometry method, and the temperature coefficient of refractive index is calculated from the variation of the optical path length.