HyperDic: optical_device

English > 1 sense of the expression optical device:
NOUNartifactoptical devicea device for producing or controlling light
English > optical device: 1 sense > noun 1, artifact
MeaningA device for producing or controlling light.
NarrowerKerr celloptical device consisting of a transparent cell with two electrodes between two polarizing media
Nicol prismoptical device that produces plane-polarized light
Rochon prism, Wollaston prismoptical device that produces plane-polarized ultraviolet light
autofocusAn optical device for focussing a camera / camera or other instrument automatically
biprismAn optical device for obtaining interference fringes
camera lucidaAn optical device consisting of an attachment that enables an observer to view simultaneously the image and a drawing surface for sketching it
coelostatoptical device used to follow the path of a celestial body and reflect its light into a telescope
collimatoroptical 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
diffraction grating, gratingoptical device consisting of a surface with many parallel grooves in it
diffuser, diffusoroptical device that distributes the light of a lamp evenly
finder, viewfinder, view finderoptical device that helps a user to find the target of interest
laser, optical maserAn acronym for light amplification by stimulated emission of radiation
lens, lense, lens systemA transparent optical device used to converge or diverge transmitted light and to form images
planetariumAn optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
polarimeter, polariscopeAn optical device used to measure the rotation of the plane of vibration of polarized light
prism, optical prismoptical device having a triangular shape and made of glass or quartz
projectorAn optical device for projecting a beam of light
stereoscopeAn optical device for viewing stereoscopic photographs
viewerAn optical device for viewing photographic transparencies
BroaderdeviceAn instrumentality invented for a particular purpose

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