TAILIEUCHUNG - Fiber Optics Illustrated Dictionary - Part 87

The Fiber Optics Illustrated Dictionary - Part 87 fills a gap in the literature by providing instructors, hobbyists, and top-level engineers with an accessible, current reference. From the author of the best-selling Telecommunications Illustrated Dictionary, this comprehensive reference includes fundamental physics, basic technical information for fiber splicing, installation, maintenance, and repair, and follow-up information for communications and other professionals using fiber optic components. Well-balanced, well-researched, and extensively cross-referenced, it also includes hundreds of photographs, charts, and diagrams that clarify the more complex ideas and put simpler ideas into their applications context | Fiber Optics Illustrated Dictionary lasers and dopants deliberate impurities such as selenium may be added to promote the movement of electrons through the material. With the application of cunent the component lases with a slightly wider range of frequencies and a slightly wider beam spread than traditional lasers. See gallium arsenide Kazarinov Rudolf laser diode. semiconductor optical amplifier SO A. A solid state component for increasing gain in an optical transmission. This is important for achieving power and distance of sufficient magnitude for effective transmissions. See amplifier. SEQUEL See SQL. sequential A nonoverlapping succession or series in chronological or data order with no significant intervening time or data. See concurrent consecutive parallel serial. serial clock transmit external SCTE. A data stream common to serial cables used to connect computer modems. For example on 25-pin serial communications connections one of the pins may be assigned to carry the external clock signal from the data terminal equipment DTE . serial communication A means of transferring data one element at a time often through a single wire or trace in a circuit. While it may not seem very fast or efficient serial communication is easily implemented and very commonly used in computing systems. The RS-232 standard is the most common specification for the physical pin connections for serial communications. See modem parallel RS-232. Serial Data Transport Interface SDTI. An emerging packet data standard for the transport of audio video and data among various multimedia systems including video servers cameras VCRs editing systems etc. especially in professional broadcast video environments. SDTI provides a network environment for video data exchange without a lot of network overhead. It supports single-direction point-to-point compressed-data connections. SDTI has been well received due to the many advantages of digital systems including the reduction of generation loss .

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