Application of Fiber Laser in Different Industries
Publish:Box Optronics  Time:2019-03-03  Views:957
Fiber laser is gradually replacing the traditional laser in laser marking, laser welding, laser cutting and other fields.
Application of Fiber Laser Marker in Industry
Industrial production requires high reliability, small size, tranquility and easy operation of lasers. Fiber lasers are widely used because of their compact layout, high light conversion compliance, short preheating time, little influence by circumstance factors, maintenance-free and easy to couple with optical fibers or light-conducting systems composed of optical lenses. Nowadays, fiber laser is gradually replacing the traditional laser in laser marking, laser welding, laser cutting and other areas of the leading position.
In the field of marking, due to the high beam quality and positioning accuracy of optical fiber laser appliances, optical fiber marking system is replacing Nd:YAG pulse laser marking system pumped by carbon dioxide laser and xenon lamp. In the Taixi and Japanese markets, this substitution is being held on a large scale. In Japan alone, the monthly demand is higher than 100 sets. According to IPG reports, BMW has purchased its high-power fiber laser for door welding production line.
As the world‘s largest industrial manufacturer, China‘s demand for optical fiber laser marking machine is very huge, and it is estimated that there will be more than 2000 sets per year. In the field of laser welding and cutting, with the successful development of thousands of watts or tens of thousands of watts of fiber laser, fiber laser has also been applied.
Application of Fiber Laser in Sensing
Compared with other light sources, fiber laser has many advantages as a sensing light source. Firstly, the fiber laser has many excellent performances, such as high utilization rate, tunable, good stability, compact, light weight, convenient maintenance and good beam quality. Secondly, the fiber laser can be well coupled with the fiber, fully compatible with the existing fiber devices, and can conduct all-fiber testing.
Nowadays, fiber sensing based on tunable narrow linewidth fiber laser is one of the most popular applications in this field. The fiber laser has very narrow spectral line width, super-long trunk length and fast frequency modulation. The application of this narrow linewidth fiber laser to the diffuse sensing system can achieve ultra-long interval and ultra-high precision fiber sensing. In the United States and Europe, this sensing technique based on tunable narrow linewidth fiber lasers is widely used. It is estimated that the demand for this kind of model fiber lasers will be more than 100 each year in China.
Application of Fiber Laser in Communication
Compared with other types of lasers, fiber lasers have obvious advantages in compactness, heat dissipation, beam quality, volume and compatibility with existing systems, and are widely used in the field of communication.
The mode-locked fiber laser with rare earth doped fiber as gain medium can generate ultra-short optical pulses with high repetition rate and pulse width of picosecond or femtosecond magnitude, and its lasing wavelength falls on the optimum window of optical fiber communication at 1.55 micron band. It is the ideal light source for future high-speed optical communication system. Now, 10 GHz and 40 GHz repetition frequency mode-locked fiber lasers have been successfully developed. Once this communication network is laid out, the demand for this model laser will be enormous.
Application of Fiber Laser in Therapy
Nowadays, most of the lasers used in clinic are argon ion lasers, carbon dioxide lasers and YAG lasers, but usually their beam quality is not high, they have a very large volume, need a huge water cooling system, and it is very difficult to install and maintain, which is exactly what fiber lasers can complement. Because the water molecule has a absorption peak at 2 micron, the use of 2 micron fiber laser as a surgical device can achieve rapid hemostasis and avoid the damage to human structure caused by surgery.
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