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Location:Home > News > Industry news

Applications of fiber lasers in different industries

Date:2018-10-8 13:50:43 Number of visits:
As we all know, fiber laser can be used in many industries, today Daxinhua laser welding machine to brief you on the application of fiber laser in different industries.
Fiber Laser is a kind of laser using rare earth doped glass fiber as gain medium. Fiber laser can be developed on the basis of fiber amplifier. Under the action of pump light, high power density is easily formed in the fiber, which causes the "particle number inversion" of laser energy level. When the positive feedback loop is properly added, the laser oscillatory output can be formed.
According to the types of fiber materials, fiber lasers can be divided into crystal fiber lasers, nonlinear optical fiber lasers, rare earth doped fiber lasers, plastic fiber lasers.
Fiber lasers are the third generation of products after carbon dioxide and semiconductor lasers. They are made up of hair-like fibers to release laser energy. They can be widely used in industrial shipbuilding, aircraft and auto manufacturing, aerospace and 3D printing. In November 22, 2016, China's first self-developed 2 kilowatt fiber laser officially entered the installation stage.
Fiber laser is gradually replacing the traditional laser in laser marking, laser welding, laser cutting and other fields of leading positions.
Application of fiber laser marking machine in industry
Industrial production requires high reliability, small size, tranquility and easy operation. Fiber lasers are widely favored because of their compact layout, high optical conversion, short preheating time, little influence by circumstance, maintenance-free and easy coupling with fiber or optical lens system.
Now, fiber laser is gradually replacing the traditional laser in laser marking, laser welding, laser cutting and other areas of leading positions.
In the field of marking, optical fiber laser is replacing Nd:YAG pulsed laser marking system which is not pumped by high carbon dioxide laser and xenon lamp because of its high beam quality and positioning accuracy.
In the Taixi and Japanese markets, such substitutions are being held on a large scale, with monthly demand exceeding 100 in Japan alone. According to IPG, BMW has purchased their high-power fiber laser for the door welding line.
As the world's largest industrial manufacturer, China's demand for fiber laser marking machine is very huge, and it is estimated that there will be more than 2000 sets of demand per year. In the field of laser welding and cutting, with the successful development of thousands or even tens of thousands of Watts 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, fiber laser has many excellent performances, such as high utilization, tunable, stable, compact, light weight, easy maintenance and good beam quality. Secondly, the fiber laser can be well coupled with the fiber, fully compatible with the existing optical fiber devices, and can conduct all-fiber testing.
Now, fiber sensing based on tunable narrow linewidth fiber laser is one of the most popular applications in this field. The fiber laser has a very narrow spectral linewidth, a very long trunk length, and a fast frequency modulation.
This narrow linewidth fiber laser can be applied to the diffuse sensing system to realize ultra-long interval and ultra-high precision fiber sensing. In the United States and Europe, this sensing skill based on tunable narrow linewidth fiber lasers is widely used. China is expected to have more than 100 demand for this type of fiber laser per year.
Application of fiber laser in communication
Compared with other types of lasers, fiber lasers have obvious advantages in compact layout, 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, pulse width of picosecond or femtosecond magnitude, and its lasing wavelength falls on the optimum window of fiber communication at 1.55 micron band. It is an ideal light source for future high-speed optical communication system.
Now, 10GHz and 40 GHz repetitive mode locked fiber lasers have been successfully developed. Once this communication network is laid, the demand for this type of laser will be enormous.
Application of fiber laser in treatment
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 are just what fiber lasers can complement.
Because water molecules have a absorption peak at 2 micron, using 2 micron fiber laser as a surgical device can achieve rapid hemostasis and avoid damage to human structure.
These are the contents of Xiaobian's laser welding machine, hoping to help you! Daxinhua laser production and sales of optical fiber laser marking machine, optical fiber laser welding machine, free technical guidance, free samples. Welcome to inquire /en/
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