optical device

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Noun

optical device - a device for producing or controlling light

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

device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"

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, lens system, lense - 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 optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome

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 device for projecting a beam of light

Rochon prism, Wollaston prism - optical device that produces plane-polarized ultraviolet light

stereoscope - an optical device for viewing stereoscopic photographs

viewer - an optical device for viewing photographic transparencies

References in periodicals archive ?

Authors and presenters include representatives from central banks, national document examining laboratories, banknote and passport printers, optical device producers, research organisations and examination equipment producers.

Tomorrow's Security Today at ODS, January 2018

Glasses, that is to say, or as Samsung called it, a "holographic see-through optical device."

Samsung Plans Just Revealed New Holographic AR Glasses

[1] Silicon photonics: Technology in which an optical device is configured on a silicon substrate.

Fujitsu, PETRA, and NEDO Achieve World's Lowest Energy Requirements of 5 mW per 1 Gbps for High-Speed Inter-Processor Data Transmissions

What name is given to an optical device which splits white light into the visible spectrum?

QUIZ OF THE DAY

In order to succeed in producing a compact optical transceiver with the optical interconnects necessary for high-speed, high-bandwidth data transmissions inside servers, Fujitsu Laboratories has developed an opto-electric converter to turn electrical (optical) signals into optical (electrical) signals through an optical device. Details of the technologies follow.

Fujitsu Laboratories Develops Technology for Compact Optical Transceivers that Double Data Transmission Speeds to 25 Gbps

Tokyo, Japan, Apr 2, 2007 - (JCN) - Moritex released the IRise 700 IR Vision System, an optical device that examines infrared transmission on silicon devices mainly used in cell phones, cars and electronic devices.

Moritex Releases Infrared Transmission Inspection System for Examination of Silicon Devices

The optical device splits the signal from the full-duplex connection between the network and the monitoring device.

Optical test port

Replacing the normal lenses with Pechan prisms--an optical device used to invert and reverse images--Cuoghi was barely able to walk, let alone function normally.

Openings: Roberto Cuoghi

Small wounds and dirt do not affect the fingerprint reading, because the fingerprint is read by measuring the disturbance of an electrical field instead of using an optical device. The unit is compatible with various applications.

Fingerprint/card reader. (Marketplace)

"The Mindspeed SkyRail SerDes transceiver's robustness and rich features coupled with Blaze's powerful, cost-effective optical device creates a seamless solution for our customers."