GPON (Gigabit-Capable PON) technology is the latest generation of broadband passive optical integrated access standard based on the ITU-TG.984.x standard. It has many advantages such as high bandwidth, high efficiency, large coverage, and rich user interfaces. Most operators regard it as an ideal technology to realize broadband and comprehensive transformation of access network services.
With the rapid development of the Internet, network users' demands for network bandwidth are increasing day by day. In order to meet the needs of the market, the backbone of the communication network has undergone tremendous changes, and the traditional access network that has been changing less has become a bottleneck in the entire network, and various new broadband access technologies have become research hotspots.
Fiber lasers use rare-earth-doped fiber as the gain medium, and the pump light forms a high power density in the fiber core, causing the "population inversion" of the doped ion energy level. When a positive feedback loop (forming a resonant cavity) is properly added, It produces laser output.
Laser welding technology is a fusion welding technology that uses a laser beam as an energy source to make it impinge on the weldment joint to achieve the purpose of welding.
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