index profile

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• 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

• Refractive index profile — A refractive index profile is the distribution of refractive indices of materials within an optical fiber. Some optical fiber has a step index profile, in which the core has one uniformly distributed index and the cladding has a lower uniformly… …   Wikipedia

• profile — index brief, characterize, configuration (form), contour (outline), contour (shape), cross sect …   Law dictionary

• 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

• 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

• AEX index — Infobox Index name = AEX Index foundation = 1983 operator = Euronext exchanges = Euronext Amsterdam constituents = up to 25 cap level = Large cap mc billion (2007) [This is the actual total free float market cap of the AEX constituents. Because… …   Wikipedia

• FTSE 350 Index — Stammdaten Staat Vereinigtes Königreich Börse London Stock Exchange ISIN nicht bekannt WKN …   Deutsch Wikipedia

• Dosage Index — The Dosage Index is a mathematical figure used by breeders of Thoroughbred race horses, and sometimes by bettors handicapping horse races, to quantify a horse s ability, or inability, to negotiate the various distances at which horse races are… …   Wikipedia

• Process Window Index — The Process Window Index is a quantifiable, reproducible, statistical measure of how well a thermal profile performs relative to critical process limits. Every thermal profile is ranked on the basis of how it fits within the process window. The… …   Wikipedia

• Consumer price index — CPI redirects here. For other uses, see CPI (disambiguation). A consumer price index (CPI) measures changes in the price level of consumer goods and services purchased by households. The CPI, in the United States is defined by the Bureau of Labor …   Wikipedia