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5 terms
Photonics Dictionary: T
Clear All Filters x
optical waveguide x
T x
transverse offset loss
->
lateral offset loss
A power loss caused by transverse or lateral deviation from optimum alignment of source to optical waveguide, waveguide to waveguide, or waveguide to detector.
trapped mode
->
guided mode
In an optical waveguide, a mode whose field decays monotonically in the transverse direction everywhere external to the core and which does not lose power to radiation. Also called bound mode.
trapped ray
->
guided ray
In an optical waveguide, a ray that is completely confined to the core.
tunneling mode
->
leaky mode
In an optical waveguide, a mode whose field decays monotonically for a finite distance in the transverse direction but which becomes oscillatory everywhere beyond that finite distance.
tunneling ray
->
leaky ray
In an optical waveguide, a ray for which geometric optics would predict total internal reflection at the core boundary, but which suffers loss by virtue of the curved core boundary.
Photonics Dictionary
T
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