The rapid development of ultra-fast laser, see how domestic laser companies layout

Laser refers to light generated by stimulated radiation of a substance. The laser has good monochromaticity, coherence and directionality, and its characteristics are expressed by wavelength (λ) or frequency. According to different wavelengths, laser can be divided into: infrared laser, visible laser, ultraviolet laser.

Compared with ordinary light sources, lasers have excellent characteristics such as high brightness and high directionality, and have become a new technology and means. They have been widely used in communications, industrial processing, military weapons, medical care and many other fields.

Laser is a device that generates and outputs lasers. According to the different types of laser working substances, lasers can be classified into gas lasers, liquid lasers, solid-state lasers, and semiconductor lasers; depending on the wavelength, they can generally be divided into infrared lasers and visible lasers. And UV laser; According to the different pulse width, can be divided into millisecond laser (10-3 seconds), microsecond laser (10-6 seconds), nanosecond laser (10-9 seconds), picosecond laser (10-12 seconds ), femtosecond laser (10-15 seconds); according to the different output power, can be divided into high power laser (1000W or more), medium power laser (100W-1000W), low power laser (100W or less) and so on.

Ultrafast lasers, represented by picoseconds and femtosecond lasers, feature extremely short laser pulses (pulse durations of only a few picoseconds or femtoseconds) and extremely high peak power, and are used for material processing with a unique ultra-fine feature. , No heat effect and other excellent performance.

Machining "ultra-fine" - ultra-fast laser can focus on the ultra-fine micro-space area, at the same time have extremely high peak power and very short laser pulses, neat cut surface when processing, no thermal diffusion, no micro-cracks and metallurgical defects, processing It will not affect the surrounding materials of the involved space range, thus achieving the ultra-fine processing.

The “no thermal effect” of the process—the traditional laser with a pulse duration greater than 10ps, plays a major role in the thermal process when it interacts with the material. Ultrafast lasers with a pulse duration of less than 10 ps, ​​since the pulse duration is only picoseconds or femtoseconds, is much smaller than the energy release time of the excited electrons in the material through the transfer transformation, and the energy is too late to release the pulse. Energy transfer, transformation, and the existence of heat and thermal diffusion, to achieve a true laser "cold" processing.

The industrial application of ultrafast lasers is very extensive. With the development of new applications such as consumer electronics, new displays, biomedicine, 3D printing, and high-end equipment, the demand for laser processing precision is getting higher and higher, and ultrafast lasers have become sophisticated processing. Important direction. Laser companies at home and abroad have laid out laser/ultrafast laser equipment markets one after another. In the core ultrafast laser market, foreign companies are currently dominated by companies such as coherent, spectral physics, fast-paced, NKT, EKSPLA, LihgtConwersion, Lumentum, EdgeWave, and AMPlitude. Han's Laser, Huari Laser, Anyang Laser, Hongtuo New Technology, Shengxiong Laser, Belling Laser, Zhuo Ra Laser and other domestic companies are vigorously promoting the industrialization of technology, in the research and development of ultra-fast laser equipment, laser precision machining, and laser technology. Industry links such as technology application and product production have achieved rapid development.

Han's Laser

Han's Laser is committed to attacking the localization technology of picosecond/femtosecond lasers. The 2015 Han's laser high-power picosecond laser project achieved a major breakthrough from the development of prototypes to mass production, and was successfully applied to LED and sapphire cutting. In 2016, Draco's series of picosecond lasers achieved sales volume. As a new generation of core light sources, they broke the monopoly of foreign countries and basically replaced imports in the field of LED wafer, sapphire, and glass brittle materials.

For emerging applications, Han's lasers have the ability to integrate core laser products and automation equipment to quickly follow and dominate the market. The company's ultra-fast laser equipment has been successfully applied to OLED product shape cutting, circuit repair, cover forming, and 3D glass cutting. Surface polishing, power battery coating and laser welding, and achieved good results. The company's own research and development of picosecond laser has been supplied to Apple. With the domestic mobile phone following the glass, ceramic cover and back cover, the picosecond laser will continue to be heavy.

Han's laser core low-power and ultra-fast lasers have achieved mass production and application. The independent R&D of high-power and ultra-fast lasers is also steadily advancing. The production base has been under construction and is in the test phase of the whole machine. The results have reached the international advanced level, and it is expected that the volume will start in 2018. Production of self-developed 1kw fiber laser and laser processing equipment.

Huari Laser

Huari Precision Laser is an advanced solid-state laser manufacturer owned by China National Engineering Technology Corporation and has played an important role in the industrialization and localization of ultrafast laser industry in China.

In 2009, Huari Lasers introduced the U.S. technical team to develop solid-state laser end pumping and frequency multiplication technology. The company successfully developed the first domestic solid-state UV solid-state laser with stable performance, and later completed multi-band all-solid-state lasers such as infrared, green, and ultraviolet. Product research and development; Acquired Attodyne Corporation to develop ultrafast laser technology in 2014; Successfully launched industrial 10-50W picosecond ultrafast laser in 2015, and quickly seized the market with a production capacity of 100 units per month; 2016 will assume the responsibility of the Ministry of Science and Technology The key project “Industrial-scale picosecond/femtosecond laser key technology research and industrialization” focuses on the development of picosecond/femtosecond laser technology. In 2017, Huari Laser has developed a seed source for femtosecond lasers, and its team has completed the prototype of a 10W femtosecond laser, and will soon launch a 40W femtosecond laser.

Huari laser ultrafast laser products are mainly used for fine marking processing of metal and non-metal materials, processing of LED chips and FPCB/PCB, 3D printing, ITO film etching PCB/FPCB cutting and dividing, ceramic material drilling and Dicing, glass/sapphire/wafer cutting, LED substrate wafer scribing, anodized aluminum, etc.

Anyang laser

After seven years of development, Anyang Laser has successfully developed and launched a series of industrial ultrafast laser products such as picosecond, femtosecond pulsed fiber lasers and supercontinuum lasers. Anyang Laser has mastered the core technology of ultra-fast fiber lasers, developed more than 90% of its own core devices or modules, and possesses core patents. The core devices and technologies do not depend on imports. Anyang Laser has a special optical fiber design and production team, with the ability to design and produce special optical fibers. At the same time, Anyang Laser has its own fiber drawing tower. At present, it has designed and produced more than 40 kinds of special optical fibers for various purposes. It controls the upstream of the industrial chain of fiber lasers, completely frees western companies from controlling the industrial chain of fiber lasers, and ensures supply. Chain autonomy and security.

At present, the ultra-fast laser equipment of Anyang Company has matured in mobile phone full screen cutting, glass cutting, OLED PET film cutting, diamond cutting, glass welding, glass galvano mirror ablation, FPCPI cover film, PERC solar battery, stainless steel punching, circuit board Blind holes and other fields.

Belling Laser

Belling Laser is one of the earliest companies engaged in the development of lasers. After many years of research, it successfully developed the first picosecond laser in 2012 and subsequently introduced a variety of picosecond lasers, ultraviolet solid-state lasers, and nanosecond green lasers. Picosecond laser products are widely used in the field of fine processing such as LED wafer cutting, glass cutting, and fingerprint film cutting. Ultrafast laser products are positioned in the field of fine processing: Nanosecond lasers are used more for fine marking, mainly on the outer shell and internal components of 3C products, and picosecond lasers are used for fine processing of special materials that require high precision. , Fine processing of materials such as LED wafers, glass, and ceramics. By the end of 2016, Belling Laser has cumulatively shipped 600 picosecond lasers.

In terms of technology, Belling Laser has obtained a series of unique proprietary and patented technologies: nanosecond lasers, advanced cavity design and laser control technology to ensure that the laser can obtain excellent beam quality under high power operation and The narrow laser pulse width, special intracavity thermal compensation technology and harmonic conversion technology enable efficient and stable frequency conversion. In terms of picosecond lasers, there is an independently developed fiber seed source technology and a unique amplifier technology.

In 2017, DeLong Lasers incorporated the laser business into the wholly-owned subsidiary Suzhou Belling Laser Co., Ltd. DeLong laser is a laser equipment integrator, which has a great difference from the laser market. It integrates laser business into Belling laser to realize business integration and reorganization to achieve optimal allocation of resources. This initiative will enrich Belling's laser product line, extend the industrial chain, gain a stronger competitive advantage, and accelerate the development of Bellings laser business.

Zhuo Lei Laser

In 2015, Zhuo Ra lasers and the Chinese Academy of Sciences established a strategic cooperative relationship. The Chinese Academy of Sciences will provide Zhuo Lei Laser with continuous technical support and development momentum. After the successful development of high-power, low-power picosecond lasers, the company also developed the GRAVER series of 30-Watt green laser nanosecond lasers in 2017. The main features of this new laser are its narrow pulse width and relatively low power. high.

Industrial-grade high-power picosecond lasers for precision micromachining and high-energy nanosecond pulsed lasers for material modification have reached the highest level in the country. The medical field has developed a picosecond laser dedicated to medical aesthetics. And has been widely used in glass cutting, metal micro-processing, laser shock and other fields.

Shengxiong Laser

Shengxiong Laser is a leading manufacturer of laser equipment in China. The company's laser business line extends from laser processing equipment for metal materials to laser processing equipment for non-metallic materials in the consumer electronics industry and laser system integration equipment in the automotive industry, resulting in a technical synergy effect and effective expansion. Industrial-grade laser equipment market share, to achieve an extension of the strategic layout. Shengxiong laser currently does not involve laser research and development and production, the company focuses on the field of precision laser marking and micro-drilling cutting, mainly for ultra-fast laser system integration, the core laser devices rely on imports from Germany.

Shengxiong laser is the leading enterprise of ultra-fast laser equipment. With its own control system technology, it has successfully realized the localization of picosecond laser equipment. In 2011, the company invested resources in the development and storage of precision laser micromachining technology, and began to lay out the market for the ITO film and silver paste laser etching processing of the sensor industry of the mobile phone touch screen industry, and achieved great progress and development in the later period. The company's precision laser microfabrication technology mainly focuses on the processing of key components and components of mobile electronic devices such as mobile phones and tablet computers. Has introduced ITO film laser etching machine, LED ceramic substrate laser scribing machine, HDI (high-density interconnect) circuit board high-speed laser drilling machine and other picosecond laser equipment, and get a very good marketing effect. Shengxiong Lasers is an absolute leader in the field of picosecond/femtosecond lasers, with technology reserves and market share far exceeding that of other companies, non-Apple products processing market share of 90%, promoting China's picosecond laser equipment to achieve a domestic-oriented pattern. .

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