Greater achievements through optical submarine cable – 808nm diode laser module
Recently, the design and manufacture of light through the single length of the sea level to 100 km fiber smooth delivery, construction and opening.
This sea-cable without connector continuous length of 100 km, laying on the sea route length of 92 kilometers, which is by far the Operation of China's first real root of the maximum length of cable without the Jihai.
In this 100 km length of the sea cable in the Richter scale, through the successful application of optical self-developed "armored transition" technology, which in international referred to as "cable transition." Cable core that is not the case of interruption, according to the routing conditions, cable's outer protective layer from the shallow water areas of heavy armored layer to the deep ocean transition zone single light armor, light armor and then the transition from single to shallow areas two-tier heavy armor, great length to ensure a continuous sea of cable-free hard and soft joints. Currently, only a few manufacturers to master the transition cable technology, the first time in China successfully.
Magnitude of this 100 km length of the sea cable in the cable core with a light for independent intellectual property rights of "built-in dual-tube within the center conductor armored cable core" by the handling and construction process and some tests have proved the original design of the cable core than the traditional external cable core has a strong resistance, transmission performance and stability characteristics.
In the first comprehensive demonstration of light through the sea cable in the deep zone of the conditions that: Cable in 50Mpa or 80Mpa vertical seepage under pressure to meet performance requirements can be used for 5,000 meters or 8,000 meters water depth product knowledge is a submarine cable The errors in the work of water depth to allow cables by the cable structure and also other parameters of the constraints. The center tube using built-in dual-conductor armored cable within the core, light for deep water for domestic design and manufacture of the current maximum of the first practical non-root in Jihai and the corresponding cable connector box.
The area of a deep-sea marine sediments is very complex, fiber optic cable route to a great many across the gradient and a wide trench, the laying of the cable position is inevitable drift with the sea-bed friction wear, and the related domestic and international standards for No sea cable wear norms and criteria. Light for research in cooperation with, the first to put forward and established international and domestic sea cable Wear Test methods and devices for the first time some typical fiber of Nai Hoi wear Zuoliao analysis and Bijiao. In scientific tests, based on the complexity of the work in the deep end of the cable structure and quality of the region made a careful selection of design and selection, in addition to vertical seepage performance, its performance can meet the complex sediments in the deep regional deployment, operation and maintenance requirements.
Submarine Cable Joint Box is a key component of the system, through general-purpose light box can meet the rigid joint application of shallow and deep. On this basis, the successful development of a sea of light through fiber optic cable universal system of flexible joints (commonly known as "soft joints") process and technology, not only for factory connector can also be used for on-site repair, to fill the gap.
To revitalize the nation through optical submarine cable, submarine cable brand training mission in China, with its strong technical strength and overall strength, research and development in submarine optical cable out of the way of a technical innovation made gratifying breakthrough, is and continues to create was brilliant!
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