optic axis
optic axis · optic axes
The optical axisThe optical axis.
Meaning
2 sensesThe optical axis.
The direction in which a ray of light passing through a crystal does not suffer double refraction.
in a doubly refracting crystal, the line in the direction of which no double refraction occurs
Forms
plural: optic axes| Singular | optic axis |
|---|---|
| Plural | optic axes |
irregular
Synonyms
1 synonymsClose in meaning
- a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted:principal axis