Cladding Mode

An undesired mode that is confined to the Cladding of an optical Fiber by virtue of the fact that the cladding has a higher Refractive Index than the surrounding medium, i.e., air or primary polymer overcoat.

Note: Modern fibers have a primary polymer overcoat with a refractive index that is slightly higher, rather than lower, than that of the cladding, in order to strip off cladding Modes after only a few centimeters of propagation.

Related Terms
Active Mode Locking,   Additive Pulse Mode Locking,   additive-pulse mode locking,   Asynchronous Transfer Mode ATM,   Bound Mode,   Burst Mode Laser,   Cladding,   Cladding Diameter,   Cladding Glass,   Cladding Mode,  

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