parallel rays


Also found in: Encyclopedia.

par·al·lel rays

rays parallel to the axis of an optic system.
Mentioned in ?
References in periodicals archive ?
We can see from the figure that the parallel rays refract around the cloaked region and remain in the same lines as the incident rays, which make the cloaked region invisible without any side shadow.
A Simple Unidirectional Optical Invisibility Cloak Made of Water
For each angle [[theta].sub.k] given in degree, k = 1, ..., q, we project the image along parallel rays p with width w as follows:
Sparse-coding-based computed tomography image reconstruction
Continuing west from A are two nearly parallel rays, and extending perpendicular to Messier are radiating swaths of faint rays.
Coming in at an angle: low-angle impacts create some of the more interesting lunar craters
The purpose was to help middle school students understand the importance of the parabola shape and its ability to focus parallel rays. The examples demonstrated a use of the two Cabri products to study a 2D object before considering its 3D equivalent.
More or less eccentric
One mirror collects light rays from the lamp and reorients them into a beam of parallel rays aimed at the disturbance.
Revealing covert actions: updated technologies expose air's unseen eruptions
What is the equivalent of using the parallel rays from the moon as a useful compass?
What use is religion? Part 2
He said: "Laser beams are parallel rays of light - they'll go very far at the same intensity.
Will we ever see the light?; Star Wars has cutting edge technology we might make work in the new millennium says science writer Jim McLean

Medical browser ?
Full browser ?