Sentence examples for optical axis from inspiring English sources
noun
An imaginary line within an optical system around which there is rotational symmetry.
To measure along the optical axis, the optic disk was found with the fundus camera.
HRMA Optical Axis: For ideal Wolter-I optics, the optical axis is defined by the axis of symmetry of the paraboloid and hyperboloid surfaces.
The term optical axis should not be confused with optic axis, a term used in crystallography.
Birefringence is the difference between the refractive index parallel to the optical axis of the crystal and the refractive index perpendicular to the optical axis.
The optical axis, represented by red arrows, forms an angle of 30° with the glued interface.
Magnification is affected by chromatic aberration, being different along the optical axis and perpendicular to it.
Figure 4.25: Chandra optical axis positions on HRC-I since launch.
The optical axis position is very stable and well within a 10′′ region.
Since year 2000, the optical axis drift was well within a 6′′ region.
The HRMA optical axis passes through S3 approximately 6 mm from the S2-S3 chip gap.
This view is along the optical axis, from the sky toward the detectors, (-X).
