A Abbreviation for Ampere or Amp. The steady current produced by one Volt across a resistance of one Ohm.

Absorption That portion of optical attenuation in optical fiber resulting from the conversion of optical power to heat, caused by impurities in the fiber such as hydroxyl ions.

AC Abbreviation for alternating current. An electric current that reverses its direction at regularly recurring intervals

Acceptance Angle The half-angle of the cone within which incident light is totally internally reflected by the fiber core. It is equal to sin-1(NA).

Active Device A device that requires a source of energy for its operation ...

Get Fiber Optic Reference Guide, 3rd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.