Description

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 variationof the optical path length.

Product Details

Published:

01/01/2020

Number of Pages:

25

File Size:

1 file , 280 KB