Step-index profile — For an optical fiber, a step index profile is a refractive index profile characterized by a uniform refractive index within the core and a sharp decrease in refractive index at the core cladding so that the cladding is of a lower refractive index … Wikipedia
Power-law index profile — For optical fibers, a power law index profile is an index of refraction profile characterized by : n(r) = egin{cases} n 1 sqrt{1 2Deltaleft({r over alpha} ight)^g} r le alpha n 1 sqrt{1 2Delta} r ge alpha end{cases}whereDelta = {n 1^2 n 2^2 over … Wikipedia
Gradient-index optics — is the branch of optics covering optical effects produced by a gradual variation of the refractive index of a material. An example of gradient index optics is the common mirage of a pool of water appearing on a road on a hot day. The pool is… … Wikipedia
Graded-index fiber — In fiber optics, a graded index or gradient index fiber is an optical fiber whose core has a refractive index that decreases with increasing radial distance from the fiber axis (the imaginary central axis running down the length of the… … Wikipedia
Double-clad fiber — Refractive index profile of dispersion compensating double clad fiber. c:core, i:inner cladding, o:outer cladding … Wikipedia
Fiber Bragg grating — A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by adding a periodic variation to the… … Wikipedia
Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c … Wikipedia
Luneburg lens — Cross section of the standard Luneburg lens, with blue shading proportional to the refractive index A Luneburg lens (originally Lüneburg lens, often incorrectly spelt Luneberg lens … Wikipedia
Kerr effect — This article is about the Kerr nonlinear optical effect. For the magneto optic phenomenon of the same name, see magneto optic Kerr effect. The Kerr effect, also called the quadratic electro optic effect (QEO effect), is a change in the refractive … Wikipedia
telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… … Universalium
