1) Conductor 2) Microwave technology 3) Telecommunications equipment 4) Used in radar 5) Wave guide
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A waveguide is a structure that guides waves, such as electromagnetic waves or sound waves. There are different types of waveguides for each type of wave. The original and most common meaning is a hollow conductive metal pipe used to carry high frequency radio waves, particularly microwaves. The geometry of a waveguide reflects its function. Slab ...
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http://en.wikipedia.org/wiki/Waveguide
[acoustics] An acoustic waveguide is a physical structure for guiding sound waves. == Examples == One example might be a speaking tube used aboard ships for communication between decks. Other examples include the rear passage in a transmission line loudspeaker enclosure, the ear canal or a device like a stethoscope. The term also applies to...
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http://en.wikipedia.org/wiki/Waveguide_(acoustics)
[optics] An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum. Common types of optical waveguides include optical fiber and rectangular waveguides. Optical waveguides are used as components in integrated optical circuits or as the transmission medium in local and long haul optical communicat...
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http://en.wikipedia.org/wiki/Waveguide_(optics)
any of a class of devices that confines and directs the propagation of electromagnetic waves, such as radio waves, infrared rays, and visible light. ... [2 related articles]
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http://www.britannica.com/eb/a-z/w/16
line consisting of a system of material boundaries or structures for guiding electromagnetic waves NOTE - A waveguide is usually intended to guide electromagnetic waves in other modes than TEM mode. Examples of construction are: metallic tube, dielectric rod, optical fibre, dielectric or semiconductor thin film, or mixed structure of conducting and...
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=151-12-34
a transmission line consisting of a system of material boundaries or structures for guiding electromagnetic waves NOTE - Common forms of waveguide include metallic tubes, dielectric rods and mixed structures of conducting and dielectric materials.
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=704-02-06
transmission line between the generator and applicator, comprising a conductive tube NOTE - See 726-01-02 for the general definition of a waveguide.
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=841-29-22
A device which constrains or guides the propagation of electromagnetic waves along a path defined by the construction of the guide. Optical fibres are a form of optical waveguide.
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http://www.encyclo.co.uk/visitor-contributions.php
[
n] - a hollow metal conductor that provides a path to guide microwaves
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http://www.webdictionary.co.uk/definition.php?query=waveguide
wave guide noun a hollow metal conductor that provides a path to guide microwaves; used in radar
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https://www.encyclo.co.uk/local/20974
Hollow metallic tube, either empty or containing a dielectric, used to guide a high-frequency electromagnetic wave (microwave) travelling within it. The wave is reflected from the internal surfaces of the guide. Waveguides are extensively used in radar systems
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https://www.encyclo.co.uk/local/21221
An evacuated rectangular copper tube that provides a path for microwaves to travel along. They are very carefully designed for a particular wavelength microwave, so as to transmit as much energy as possible.
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https://www.encyclo.co.uk/local/21257
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