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Low Loss Fiber

Product categories of Low Loss Fiber, we are specialized manufacturers from China, Low Loss Fiber Manufacturers, Qingguo Low Loss Fiber suppliers/factory, wholesale high-quality products of China Low Loss Supplier R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!

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    • Low Loss Single Mode Fiber LL-SMF

    Low Loss Single Mode Fiber LL-SMF

    • Brand: Qingguo

    • Packaging: Carton

    • Certificate: ISO

    • Model No.: LL-SMF

    • Place of Origin: China

    EasyBand Plus Bending Insensitive Single Mode Fiber SDGI Low loss single mode fiber LL SMF is an ultra low loss single mode fiber that is flly compatible with ITU TG 652D fiber The fiber uses the low loss technology of SDGI which extends the coverage of long distance network metropolitan area network and access...

    • LL-SMF Low Loss Single Mode Fiber

    LL-SMF Low Loss Single Mode Fiber

    • Brand: Qingguo

    • Packaging: carton

    • Certificate: ISO

    • Model No.: LL-SMF

    • Place of Origin: China

    EasyBand Plus Bending Insensitive Single Mode Fiber SDGI Low loss single mode fiber LL SMF is an ultra low loss single mode fiber that is flly compatible with ITU TG 652D fiber The fiber uses the low loss technology of SDGI which extends the coverage of long distance network metropolitan area network and access...

China Low Loss Fiber Suppliers

Low Loss Fiber has revolutionized the telecommunication industry in the last nearly five decades. Since the first low-loss Optical Fiber with less than 20 dB/km at 632.8 nm in 1970, optical fiber loss has continued to evolve toward lower levels. Fig. 1.1 shows the record of fiber loss evolution over the past 48 years. Fiber loss decreased very quickly at beginning of optical fiber development. Three years after the first low-loss fiber, the loss was reduced to 5 dB/km at 850 nm, and in the following year, fiber loss of 2.5 dB/km at 1060 nm was reported. In 1976, fiber with loss of 0.47 dB/km at 1200 nm was demonstrated. Within three years, the fiber attenuation reached 0.2 dB/km at 1550 nm, which is the typical attenuation value of today`s standard single-mode fiber products using germanium-doped core. After that, the rate of fiber loss change slowed down, but researchers continued to look for glass compositions for lower fiber loss. In 1986, fiber loss of 0.154 dB/km was reported using pure silica core. It took another 16 years for the loss to break the barrier of 0.15 dB/km in 2002. Below 0.15 dB/km, the loss reduction became even harder because the loss is so close to the fundamental limit. However, research efforts have continued to push the fiber loss closer to its limit. It took another 11 years for the fiber loss to reach a new record. Three new results were reported after 2013 with loss reduction in the order of a few thousandths of dB/km. Today, the lowest loss has reached 0.142 dB/km at 1560 nm. Qingguo Low Loss Fiber, Low Loss Fiber Manufacturers

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