noun
crystal optics
Technical term in physics and materials science for the study of optical properties of crystals.
結晶光学は、結晶内での光の伝播を研究する分野です。
Crystal optics is the field that studies the propagation of light in crystals.
Compound of 結晶 (kesshō, 'crystal') and 光学 (kōgaku, 'optics').