To  Fiber LED light source, reduce the data transmission time in processing time index proportion of the whole system, the required data rate should be no less than E1 (2.048 Mb/S) rate, at the same time for Fiber optic light guide light source f is safe and convenient communication link. Through the analysis of all kinds of data communication technology, we finally chose Optical fiber optic LED lighting source, and achieved satisfactory results. Since at the same time to demand higher data transfer rate and long distance communication, coding and modulation in the copper medium link is difficult to meet the requirements of indicators, not only expensive, but high-speed modem and a handshake process time-consuming, in asking random field will apparently does not apply to real-time transmission data.

 In the traditional impression of people, Fiber LED light source used in short distance communication is not economic, but it has a copper medium key road incomparable advantages: (1) Fiber optic light guide light source link do not emit electromagnetic waves, also not affected by the optical fiber between not interfered, bit error rate is reduced greatly. Designers do not have to consider the environmental noise that might be coupled; The Optical fiber optic LED lighting source the electrical isolation between the two sides of the communication link, eliminating the problem caused by the difference of ground potential between the long-distance equipment. At the same time, designers no longer have to worry about impedance matching; The optical fiber emitter can be driven by digital modulation. The digital baseband signal can directly drive the fiber emitter as long as the simple line coding is used.

  A basic optical fiber communication system is very simple: a Fiber LED light source emitter turn electrical signals into light signals, and coupled into optical fiber, optical signal by optical fiber to Fiber optic light guide light source, it receives the light signals back to the original electrical signal output. Optical fiber selection: generally, quartz glass fiber is used for long-distance communication link due to its low loss and high bandwidth. For example, Ethernet and FDDI standard specify the multi-mode 62.5/125 mu m quartz glass fiber. These fibre-core optical fibers require high precision and Optical fiber optic LED lighting source to reduce coupling loss. For industrial applications, low cost optical cables and connectors are needed. Therefore, the POF of 1mm (Plymer Optical Fibers) and 200 mu of HCS(Hard Clad) fiber are the best choice, and they all belong to the multi-mode Optical fiber of the step index.

  The typical loss value of Fiber LED light source 1mm POF is 0.2db/m at 650nm wavelength, while the typical loss value of 200 mu m HCS fiber is 8dB/km at 650mm wavelength, and less at 820nm wavelength. Fiber optic light guide light source, high strength polymer cladding is patent, not only increase the Optical fiber optic LED lighting source intensity, and moistureproof prevent pollution, PVC outer sheath is 2.2 mm. HCS fiber can work in a 40 ℃ ~ + 85 ℃ temperature range, set up the temperature range for a 20 ℃ + 85 ℃, can satisfy the requirements of the system on the performance and price. Work wavelength selection, optical fiber communication system design must consider the effects of fiber loss and dispersion of the system, due to the loss and dispersion are associated with working wavelength, so that the work wavelength selection becomes one of the main system design problem.

Hello, SunnerLED company focus on the special LED design and application, on the medical market and special lighting. We design the first of 120W LED endoscope light source in china,and we have cooperation with most of medical equipment of manufactory in china and oversea. Please check our web: www.sunerled.cn  kevin@sunerled.com