Page 43 - Market Analysis Report of Optical Communications Field in China & Global market 2018

perception and navigation for planes, rockets, vessels and other III. Special fiber preform technology in laser processing
vehicles, the laser radar detection technology for driverless cars, technology
and other applications. These technologies develop on the basis of The emergence of high-power laser is the representative and
diverse special optical fibers and pose new requirements on special revolutionary millstone in the history of laser development. With
fiber preform technologies. excellent performance and reasonable price, high-power laser
is widely used in areas such as laser processing, laser medical
For example, the optical fiber sensing for security over boundaries treatment, and 3D printing. As the third generation of lasers,
and monitoring of bridge and building status poses new the optical fiber lasers with double-clad fibers as their medium
requirements on high-performance special multi-mode fiber will be the mainstream lasers in the future. These lasers enjoy
preform technology; intelligent electric grids and the inertial some features that the traditional lasers can’t match including
technology make requests for highly reliable polarization- high quality beams, high transmission efficiency, good cooling
maintaining fiber preform technology; the laser radar technology performance and satisfactory stability, and thus play increasingly
makes requirements for erbium-ytterbium co-doped rare earth significant roles in markers, carving and cutting, medicine,
fiber preform technology. There are a variety of special fiber industry, national security, aerospace, and other fields and
preform technologies with different technological standards industries, eventually replacing existing industrial lasers. Laser
and performance features and they can only be developed with optical fiber technologies developed with special fiber preform
mature and diverse fiber preform technologies. Built on 40 technologies are the core parts of optical fiber lasers. Special
years of heritage from Wuhan Research Institute of Posts and fiber preform technologies for lasing have a high requirement on
Telecommunications in optical fiber technologies, FiberHome double cladding. In particular, high-performance doping, uniform
Telecommunication accumulates a large pool of basic data distribution of rare earth ions, and photon darkening control
about special fiber preform researches and sets up a research technology are the key elements of the special fiber preform
team made up of senior professionals. The company develops technologies for lasing.
high-performance special optical fiber and cable technology for
sensing, highly-reliable and high-precision premium polarization- Using optical fiber laser technology in laser processing not only
maintaining optical fiber technology, and state-of-the-art rare achieves high-performance processing and manufacturing, but
earth fiber preform technology, achieves tailor-made special fiber also connects the intelligent manufacturing of various optical
preform technology development, and attributes to the technology fiber lasers with the optical fiber information system through
development in the great national science project, FAST (Five- optical fiber technologies to achieve the intelligent manufacturing
hundred-meter Aperture Spherical radio Telescope), and other of optical fiber lasers with the help of big data.
fields. The polarization-maintaining photonic crystal optical fibers Figure 5 Laser welding
developed with the special fiber preform technology are used in
the development of high precision photonic crystal optical fiber
gyroscope. In April 2017, the optical fiber gyroscope was adopted
in Tianzhou-1 as the first outer space application, which opened
the gateway to the application of photonic crystal optical fibers in
outer space.

Figure 3 Highly reliable polarization maintaining fiber preform
technology

Figure 6 Laser fiber preform

Figure 7 Laser optical fiber
Figure 4 Erbium-ytterbium co-doped rare earth birefringent fiber
preform

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