Associations to the word «Collimator»

Wiktionary

COLLIMATOR, noun. (physics) An optical device that generates a parallel beam of light. Often used to compensate for laser beam divergence.
COLLIMATOR, noun. (physics) A similar device that produces a parallel beam of particles such as neutrons.
COLLIMATOR, noun. (astronomy) A small telescope attached to a larger one, used to point it in the correct general direction

Dictionary definition

COLLIMATOR, noun. A small telescope attached to a large telescope to use in setting the line of the larger one.
COLLIMATOR, noun. Optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam.

Wise words

Every day we should hear at least one little song, read one good poem, see one exquisite picture, and, if possible, speak a few sensible words.
Johann Wolfgang Von Goethe