|title ||Optical Communications|
|arbic title |
|credit hours ||3|
|Describtion/Outcomes ||Selected topics in optical communications.|
|arabic Describtion/Outcomes |
|objectives ||Theory of light propagation in optical fibers with different types.
Overview of opto-electronic device requirements for communication systems, including light sources, optical amplifiers and light detectors.
Adjustment of a complete optical communication system.|
|arabic objectives |
|ref. books ||Gerd Keiser, "Optical Fiber Communications".
Joseph C. Palais, "Fiber Optic Communications".|
|arabic ref. books |
|textbook ||Jhon M. Senior, "Optical communication: principles and practical".|
|arabic textbook |
|objective set ||bullets|
|content set ||bullets|
||Historical development: Historical background on communications, communication channels, light sources and detectors. General optical communication system. Advantages of optical fiber communications.
||Optical Fiber Waveguide: Ray theory transmission, Fiber acceptance angle and numerical aperture. Fiber types: step index ? graded index ? single mode ? multimode.
||Electromagnetic theory for optical propagation ? Normalized frequency of the optical fiber - Linearly polarized modes in optical fibers.
||Transmission Characteristics in Optical Fibers: Polarization ? Attenuation: absorption, scattering, macrobending and microbending.
||Transmission Characteristics in Optical Fibers: Dispersion: definition and types ? Bit rate calculation ? Material and Waveguide Dispersion.
||Dispersion modified single-mode optical fibers - Intramodal dispersion ? Overall dispersion.
||Fiber Fabrication ? Fiber Cable Design ? Fiber Connection: Couplers.
||Fiber Connection: Fiber splicing ? Joint Loss: Fresnel reflection.
||Optical Sources: Requirements of light sources - Concept of light emission ? spontaneous emission ? stimulated emission ? LED operation.
||Laser: Operation and types - Injection laser diode ? Optical source limitations.
||Analogy between mechanical and electrical circuits: Velocity of sound in air and water and metal, Analogy between acoustical and electrical circuits.
||Acoustical resonators and filters: Acoustical resonator and filters, Transducer +12th Week Exam
||Transducers and sensitivity of microphones and Loudspeakers: Sensitivity and types of mics, Efficiency and types of Loudspeakers, hi-fi multispeaker system.
||Hi-fi system and underwater acoustics: Introduction to underwater acoustics, Velocity of sound in seawater, Sound transmission loss in seawater.
||Velocity profile and SONAR: Thermocline and velocity profiles, Refraction of sound in seawater, SONAR.