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3-Paddle Polarization Controllers Manufacturers

Our factory provides fiber laser modules, ultrafast laser modules, high power diode lasers. Our company adopts foreign process technology, has advanced production and test equipment, in the device coupling package, module design has the leading technology and cost control advantage, as well as the perfect quality assurance system, can guarantee to provide the high performance for the customer, Reliable quality optoelectronic products. 

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  • Principle composition and application of laser

    Laser is a device that can emit laser. According to the working medium, lasers can be divided into four categories: gas lasers, solid lasers, semiconductor lasers and dye lasers. Recently, free electron lasers have been developed. High-power lasers are usually pulsed. Output.

  • What is erbium-doped fiber amplifier

    Erbium-doped fiber amplifier (EDFA, that is, an optical signal amplifier with erbium ion Er3 + doped in the core of the signal passing through) is the first optical amplifier developed by the University of Southampton in the UK in 1985. It is the greatest optical amplifier in optical fiber communication. One of the inventions. Erbium-doped fiber is an optical fiber doped with a small amount of rare earth element erbium (Er) ions in a quartz fiber, and it is the core of an erbium-doped fiber amplifier. Since the late 1980s, the research work of erbium-doped fiber amplifiers has continuously made major breakthroughs. WDM technology has greatly increased the capacity of optical fiber communications. Become the most widely used optical amplifier device in current optical fiber communication.

  • Fiber amplifier

    Optical fiber amplifier is a new all-optical amplifier used in optical fiber communication line to realize signal amplification. According to its position and function in the optical fiber line, it is generally divided into relay amplification, pre amplification and power amplification.

  • Main Applications and Markets of Fiber Amplifiers

    Optical fiber amplifier refers to a new type of all-optical amplifier used in optical fiber communication lines to achieve signal amplification. Among the currently practical fiber amplifiers, there are mainly erbium-doped fiber amplifiers (EDFA), semiconductor optical amplifiers (SOA) and fiber Raman amplifiers (FRA). Among them, erbium-doped fiber amplifiers are now widely used in long-distance applications due to their superior performance. It is used as power amplifier, relay amplifier and preamplifier in the fields of long-distance, large-capacity and high-speed optical fiber communication systems, access networks, optical fiber CATV networks, systems (radar multi-channel data multiplexing, data transmission, guidance, etc.).

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