optical
101optical disc — UK US (US also optical disk) noun [C] IT ► a computer disc that is read by a laser (= a narrow beam of light). It can store sound, video, or computer data and programs: »The system is intended for use with next generation optical discs, such as… …
102optical illusion — optical illusions N COUNT An optical illusion is something that tricks your eyes so that what you think you see is different from what is really there. Sloping walls on the bulk of the building create an optical illusion …
103optical astronomy — optical astronomer. the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light. [1965 70] * * * optical astronomy, the branch of astronomy that uses telescopes for direct observation of the… …
104optical pen — UK US noun [countable] [singular optical pen plural optical pens] computing a small piece of electronic equipment that you move across a printed page in order to store the words either in its own memory or in your computer …
105optical activity — n. (Chem.) the ability of a chemical compound to rotate the plane of plane polarized light. This is found only in chemicals whose molecular structure does not have a plane of symmetry, and is common in biochemical compounds. {optically active}… …
106optical fiber — n. (Communications) A thin fiber of very pure glass used to carry signals transmitted by means of light. It has much greater information carrying capacity than a copper wire, and in the 1990 s became a dominant means of transmitting telephone… …
107Optical microsphere — Optical microspheres (photonic atoms) are high quality factor optical resonators used for active and passive photonic applications such as microlaser cavities and filters. Categories: Physics stubsOptics …
108Optical Fiber Technology — is a scientific journal that is published by Elsevier (formerly by Academic Press). Established in 1994, it covers various topics in fiber optic engineering, optical communications and fiber lasers. International Standard Serial Number: 1068 5200 …
109Optical transition radiation — is the radiation emitted by a charged beam at the interface between two media.ources* [http://dx.doi.org/10.1063/1.322092 Interference phenomenon in optical transition radiation and its application to particle beam diagnostics and multiple… …
110Optical Radiation Corporation — (ORC) is an American company that produces a range of UV exposure systems used in the manufacture of PCBs. ORC was founded in 1969 to design and manufacture optoelectronic and optical products. During the early 1990s ORC developed a short lived… …
