Fiber Optic Reference Guide: A Practical Guide to Communications Technology, Third Edition
This guide is an ideal primer for newcomers to the fiber optics industry as well as a useful reference guide for seasoned fiber optics veterans.
TABLE OF CONTENTS Fiber Optic Reference Guide: A Practical Guide to Communications Technology, Third Edition
E
- ECL
- Emitter-coupled logic. A high-speed logic family capable of GHz rates.
- EDFA
-
See Erbium-doped Fiber Amplifier (EDFA).
- Edge-emitting Diode
- An LED that emits light from its edge, producing more directional output than surface-emitting LED's that emit from their top surface.
- Effective Area
- The area of a single-mode fiber that carries the light.
- EGA
- Abbreviation for enhanced graphics adapter. A medium-resolution color standard for computer monitors.
- EIA
- Abbreviation for Electronic Industries Association.
- 8B10B Encoding
- A signal modulation scheme in which eight bits are encoded in a 10-bit word to ensure that too many consecutive zeroes do not occur; used in ESCON and fibre channel.
- 802.3 Network
- A 10 Mb/s CSMA/CD bus-based network; commonly called ethernet.
- 802.5 Network
- A token-passing ring network operating at 4 Mb/s or 16 Mb/s.
- Electromagnetic Interference (EMI)
- Any electrical or electromagnetic interference that causes undesirable response, degradation, or failure in electronic equipment. Optical fibers neither emit nor receive EMI.
- Electromagnetic Radiation (EMR)
- Radiation made up of oscillating electric and magnetic fields and propagated with the speed of light. Includes gamma radiation, X-rays, ultraviolet, visible, and infrared radiation, and radar and radio waves.
- Electromagnetic Spectrum
- The range of frequencies of electromagnetic radiation from zero to infinity.
- ELED
-
See Edge-emitting Diode.
- Ellipticity
- Describes a fiber's core or cladding as elliptical rather than circular.
- EM
- Abbreviation for electromagnetic.
- EMD
-
See Equilibrium Mode Distribution (EMD).
- EMI
- Abbreviation for electromagnetic interference. 1. Any electromagnetic disturbance that interrupts, obstructs, or otherwise degrades or limits the effective performance of electronics/electrical equipment. It...
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