Vi fant 1 definisjoner av optical device på engelsk.
Noun |
||
| optical device - a device for producing or controlling light | ||
| device any clever maneuver; "he would stoop to any device to win a point"; "it was a great sales gimmick"; "a cheap promotions gimmick for greedy businessmen" | ||
| autofocus an optical device for focussing a camera or other instrument automatically | ||
| biprism an optical device for obtaining interference fringes | ||
| camera lucida an optical device consisting of an attachment that enables an observer to view simultaneously the image and a drawing surface for sketching it | ||
| coelostat optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror | ||
| collimator 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 | ||
| diffraction grating, grating optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum | ||
| diffuser, diffusor optical device that distributes the light of a lamp evenly | ||
| view finder, viewfinder, finder optical device that helps a user to find the target of interest | ||
| kerr cell optical device consisting of a transparent cell with two electrodes between two polarizing media; passes light only if the two planes of polarization are parallel; used as a high-speed shutter or to modulate a laser beam | ||
| laser, optical maser an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light | ||
| lens system, lense, lens a transparent optical device used to converge or diverge transmitted light and to form images | ||
| nicol prism optical device that produces plane-polarized light | ||
| planetarium an apparatus or model for representing the solar systems | ||
| polarimeter, polariscope an optical device used to measure the rotation of the plane of vibration of polarized light | ||
| optical prism, prism optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | ||
| projector an optical instrument that projects an enlarged image onto a screen | ||
| rochon prism, wollaston prism optical device that produces plane-polarized ultraviolet light | ||
| stereoscope an optical device for viewing stereoscopic photographs | ||