Telecommunications

Telecommunications

Of or pertaining to the transmission of information over a distance, and the technology used to achieve this communication.

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Telecommunications > General telecom

standard test signal

Telecommunications; General telecom

A single-frequency signal with standardized level used for testing the peak power transmission capability and for measuring the total harmonic distortion of circuits or parts of a ...

doubly clad fiber

Telecommunications; General telecom

A single-mode fiber that has two claddings. Note 1: Each cladding has a refractive index that is lower than that of the core. Of the two claddings, inner and outer, the inner ...

w-profile fiber

Telecommunications; General telecom

A single-mode fiber that has two claddings. Note 1: Each cladding has a refractive index that is lower than that of the core. Of the two claddings, inner and outer, the inner ...

dispersion-unshifted fiber

Telecommunications; General telecom

A single-mode optical fiber that has a nominal zero-dispersion wavelength in the 1. 3-m transmission window. Synonyms dispersion-unmodified fiber, EIA Class IVa fiber, nonshifted ...

quadruply clad fiber

Telecommunications; General telecom

A single-mode optical fiber that has four claddings. Note 1: Each cladding has a refractive index lower than that of the core. With respect to one another, their relative ...

dispersion-shifted fiber

Telecommunications; General telecom

A single-mode optical fiber that has its minimum-dispersion wavelength shifted, by the addition of dopants, toward its minimum-loss wavelength. Synonym EIA Class IVb fiber.