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15 terms
Photonics Dictionary
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graded index x
graded index
Descriptive of an optical fiber having a core refractive index that decreases almost parabolically and radially outward toward the cladding. This type of fiber combines high bandwidth with moderately...
graduated refractive index
->
graded index
Descriptive of an optical fiber having a core refractive index that decreases almost parabolically and radially outward toward the cladding. This type of fiber combines high bandwidth with moderately...
axial vapor-phase deposition
A vapor-phase oxidation process for fabricating graded-index optical fibers. It differs from outside vapor phase deposition in that the preform is developed radially rather than longitudinally. An...
differential mode delay
Differential mode delay (DMD) is a parameter used to characterize the propagation characteristics of optical fibers, particularly in multimode fiber optic systems. It refers to the difference in...
evanescent field theory
A high-frequency approach to the propagation of light in graded-index fibers in which the modal field is represented in terms of an inhomogeneous (evanescent) plane wave with a complex phase, so that...
GI
graded index
GRIN
graded index; gradient index
GRINSCH
graded-index separate confinement heterostructure
ion exchange technique
A method of fabricating a graded-index optical waveguide by means of an ion exchange process.
multimode group delay
->
differential mode delay
Differential mode delay (DMD) is a parameter used to characterize the propagation characteristics of optical fibers, particularly in multimode fiber optic systems. It refers to the difference in...
plasma chemical vapor deposition
The use of a plasma to induce the formation of oxides in the production of graded-index optical fibers.
pulse reduction factor
Factor that relates the pulse spread occurring in a graded-index fiber to that of an equivalent step-index fiber having an identical refractive index difference between core and cladding (that is, an...
SELFOC fiber
Derived from "self-focusing,'' Nippon Sheet Glass Co. (NSG) of Japan's trade name for graded-index fiber rods with parabolic index profile, suitable for use as cylindrical microlenses.
SELFOC lens
->
SELFOC fiber
Derived from "self-focusing,'' Nippon Sheet Glass Co. (NSG) of Japan's trade name for graded-index fiber rods with parabolic index profile, suitable for use as cylindrical microlenses.
SQW-GRINSCH
single-quantum-well, graded index separate confinement heterostructure
Photonics Dictionary
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