Optical waveguide (705 bytes)
1: ... as a transmission medium in local or long haul [[optical communications|communication systems]].
3: ...le-mode optical fiber|single-mode]], [[Multi-mode optical fiber|multi-mode]]), [[refractive index]] distrib...

Waveguide (3147 bytes)
1: ...cs]], [[optics]], and [[telecommunication]], a '''waveguide''' is a structure that confines and guides a prop...
3: ...tical, or circular in cross section. This type of waveguide may, under certain conditions, contain a solid or...
5: ...tion. In integrated optical circuits an [[optical waveguide]] may consist of a thin dielectric film.
7: ... [[troposphere]] may also act as an [[atmospheric waveguide]].
9: ...physical waveguide behavior, such as in [[digital waveguide synthesis]].<div style=float:right>[[Image:TE10.g...

ARROW waveguide (289 bytes)
1: ... an anti-resonant [[Fabry-Perot]] reflector. The optical mode is leaky, but relatively low-loss propagatio...

Atmospheric waveguide (750 bytes)
1: An '''atmospheric waveguide''' is an [[Earth's atmosphere|atmospheric]] [[flo...
3: ...e, [[westerly wind|westerlies]] might be a good [[waveguide]] for [[east|eastward]]-traveling waves, but migh...

Slotted waveguide (2506 bytes)
1: A '''slotted waveguide''' is a [[waveguide]] that is used as an [[Antenna (electronics)|ante...
3: ...olic type of antenna a feedhorn at the end of a [[waveguide]] directs a [[Cone|conical]] beam of output energ...
5: ... the antenna. As this, like the companion slotted waveguide, is a one-dimensional device, it too may be made ...
7: ...dWaveguideAntDet.jpg|thumb|none|500px|The slotted waveguide antenna is highlighted. The antenna is rotated co...
11: In a related application "Leaky" waveguides are also used in the determination of railcar po...

Digital waveguide synthesis (3094 bytes)
1: ...oustic waves propagate. For this reason, digital waveguides constitute a major part of most modern [[physica...
3: ...e.png|frame|right|A basic one-dimensional digital waveguide (likely of a string) with a rigid termination on ...
5: A lossless digital waveguide realizes the discrete form of [[Jean le Rond d'Al...
11: ... [[delay line]]s to represent the geometry of the waveguide, [[digital filter]]s to represent the frequency-d...
13: ... [[drum]]s, may be modelled using two-dimensional waveguide meshes, and reverberation in three dimensional sp...

Optical telescope (4553 bytes)
1: An '''optical telescope''' is a [[telescope]] which is used to ...
3: ...s of [[photon]]s". There are two primary types of optical telescope: [[reflecting telescope|reflectors]] (w...
5: ...virtual image. Many types of telescopes fold the optical path with '''secondary''' or '''tertiary''' mirro...
8: ...lescopes, linked together by carefully-controlled optical paths. The sensitivity of a telescope is determin...
14: The light-gathering power of an optical telescope is directly related to the [[diameter]]...

Optical tweezers (1583 bytes)
1: '''Optical tweezers''' are the [[Laser applications|applicat...
7: ...controllable beams using a 2D-array of switchable optical phase delay elements which form a controllable / ...
10: ...ticalTweezers/ Non-intrusive Micromanipulation by Optical Tweezers (Umeå University, Sweden)]
11: ...muenchen.de/tI/galIT1n01.html Slide show of using optical tweezers (Medical University Munich)]
12: ...rd.edu/labs/bacteria/index_movies.html Videos] of optical tweezers being used on bacteria.

Optical communication (2280 bytes)
1: '''Optical communication''' is any form of [[telecommunicati...
3: There are many forms of non-technological optical communication, including [[body language]] and [[...
5: ...]s; fires were the earliest form of technological optical communication.
13: == Modern optical communications ==
15: ...ources. Often the light is in the [[infrared]] [[optical spectrum|spectrum]], rather than being [[visible ...

Optical window (1219 bytes)
1: ...st a little of what is out there. It is called "optical" because the wavelengths we can [[Visual percepti...
5: In [[medical physics]], the optical window is the portion of the visible and infrared...

Optical effect (508 bytes)
1: ...lm]] effects that are created entirely through an optical process using film, light, shadow, [[lens (optics...

Optical computer (6087 bytes)
1: ... more traditional [[electron]]-based computation. Optical computing is a major branch of the study of [[Pho...
2: ... [[laser|lasers]] and the light guided down the [[optical fiber]]. The conversion process between electroni...
4: ...er, [[transistor]]s that are composed entirely of optical components, if they exist, are currently only in ...
8: ...ersion is necessary now because we don't have all-optical versions of all the myriad switching devices requ...
10: ...4 Mpixels and above) can be fabricated like large optical arrays, each passing, switching or filtering each...

Optical camouflage (1733 bytes)
1: '''Optical camouflage''' is a kind of '''camouflage''' in wh...
5: ... ''[[Starcraft]]'' feature opponents who utilized optical camouflage on a regular basis. Such units are di...
7: While optical camouflage may not yet exist, it is worthwhile to...
13: ...ts.star.t.u-tokyo.ac.jp/projects/MEDIA/xv/oc.html Optical Camouflage]

Optical flow (976 bytes)
1: '''Optical flow''' is a concept for considering the motion o...
3: ...on]] and [[motion compensation]]. Often the term optical flow is used to describe a dense motion field wit...
6: == Methods for determining optical flow ==

Optical fiber (10568 bytes)
1: ...e:fibreoptic.jpg|thumb|Fiber Optic strands]]An '''optical fiber''' in American English or '''fibre''' in Br...
2: ... branch of science and engineering concerned with optical fibers.
4: == Uses of optical fiber ==
6: ...plications are always glass, because of the lower optical absorption of glass. The light transmitted throug...
10: Fibers, like [[waveguide]]s, can have various [[Transverse mode|transmissi...

Optical table (1131 bytes)
1: An '''optical table''' is a piece of equipment for [[optics]] [...
3: In optical setups, especially when they involve [[interferom...
5: Such an optical table is made of [[steel]] in a thick [[honeycomb...

Optical engineering (523 bytes)
1: ...uch as optical sensors and metrological apparati. Optical engineering metrology utilises the latter to meas...

Optical coating (13649 bytes)
1: [[Image:coating-1.jpg|right|Optically coated mirrors and lenses]]
3: ...lowing the production of [[dichroic]] [[thin-film optical filters]].
6: The simplest optical coatings are thin polished layers of [[metal]]s, ...
10: ...nd of wavelengths, producing an [[filter (optics)|optical filter]].
12: ...optical instruments (such as lasers, [[Microscope|optical microscope]]s, [[refracting telescope]]s, and [[i...

Optical interferometry (3452 bytes)
3: '''Optical interferometry''' is a technique of [[interferome...
4: ...bining light from multiple sources in an [[optics|optical]]
7: The technique of optical interferometry can make use of [[white light]],
12: the optical path lengths travelled by the interfering beams o...
15: Of the uses of optical interferometry mention should be made of the

Optical depth (930 bytes)
1: ...isible. As the object continues to move away the optical depth can continue to increase and then reflects ...
3: ...e]] of a star is defined as the surface where its optical depth is one. This means that each photon emitted...
7: ...cienceworld.wolfram.com/physics/OpticalDepth.html optical depth equations]

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