optical
71Optical RFID — (aka OPID) is an alternative to RFID that is based on optical readers. Applications for optical RFID tags may be found in future supply chain scenarios. The main advantage in comparison to traditional RFID tags is their low price and the usually… …
72Optical pumping — of a laser rod (bottom) with an arc lamp (top). Red: hot. Blue: cold. Green: light. Non green arrows: water flow. Solid colors: metal. Light colors: fused quartz. Refs: [1], [2] …
73Optical Race — 1988 LP album cover Studio album by Tangerine Dream Released …
74Optical pickups — are instrument pickups that use infrared light LEDs and photodetectors to sense the string vibration on a guitar or electric bass. Typically, electric guitars and bass guitars use magnetic pickups which can induce extraneous noise or magnetic hum …
75Optical bonding — refers to a protective glass that is glued in front of a display to enhance its readability where installed in high humidity outdoor environments. When a normal display is used in an outdoor environment, there are some factors that affect its… …
76Optical thickness — Optical thickness, also called optical depth, is the depth of a material or medium in which the intensity of light (or other radiation) of a given frequency is reduced by a factor of 1/e. In rough terms 1/3 of the light is absorbed within one… …
77Optical fiber composite overhead ground wire — (OPGW) is a type of cable that is used in the construction of electric power transmission and distribution lines. Such cable combines the functions of grounding and communications. An OPGW cable contains a tubular structure with one or more… …
78Optical Review —   Discipline Optics Photonics …
79Optical Margin Alignment — outdents letters like A, V, W, Y, and punctuation into the margins to align the text border optically. Some users remark that it makes the text margin look crooked, but this is because text frames or margin guides are visible. If text frames are… …
80optical fibre — optical fibres N VAR An optical fibre is a very thin thread of glass inside a protective coating. Optical fibres are used to carry information in the form of light. Nearly every long distance call made in Britain now travels on optical fibre… …
