Laser cladding technology to boost the coal industry capacity upgrade

Laser cladding is a new surface modification technique. It by adding in the base material surface cladding material, and make use of high energy density laser beam and fused together of base material surface layer method, at the grassroots level for metallurgical combination of surface and its cladding layer, which is the most important in…

Using lasers to measure changes in the earth’s ice

On Sept. 15, NASA launched the $1 billion icesat-2 satellite from vandenberg air force base in California, which will use a specially designed laser device to provide scientists with data on exactly where and how fast the ice is melting after it enters orbit 310 miles (499 kilometers) above earth. Weighing 341 pounds, icesat-2 is…

Advances in ultra-fast laser micro-nano manufacturing

Zhao quanzhong, vice President of nanjing advanced laser technology research institute, attended the summit and delivered the keynote speech of “progress and application of ultra-fast laser micro-nano manufacturing”. Ultrafastlaser pointer have unique ultrashort pulse, at a relatively low pulse energy to obtain the high peak intensity, thus can solve many conventional methods to meet the…

Application of high brightness laser in industrial processing

As a new type of light source, semiconductor laser has a wide application prospect in many processing fields. Its compact structure, good beam quality, long life and stable performance and other advantages are favored, mainly as fiber laser pump source, solid laser pump source, can also be directly used in laser pointer medical treatment, material…

Status and development trend of laser fine machining technology

Zhang wei, deputy director of Shanghai laser technology research institute, attended the summit and delivered the keynote speech of “laser fine processing technology status and development trend”. In recent years, with the rising demand of consumer electronics market, the precision of optical electronic devices is becoming more and more demanding. At present, domestic fine processing…

Application of ultrafast laser to brittle materials

Wang bo first introduced the characteristics of traditional long pulse laser and ultrashort pulse laser. As for the processing characteristics of ultra-fast laser, wang bo said, “ultra-fast laser pointer can focus on ultra-fine space, with extremely high peak power and very short laser pulse, and the processing process will not affect the surrounding materials in…

Application of laser fine machining in advanced manufacturing of 3C electronics

On September 18, 2018, “OFweek 2018 14th China advanced laser technology application summit and annual selection and award ceremony of” vico cup “laser industry was officially held in Shanghai. Wang feng, general manager of wuhan lingyun photoelectric technology co., LTD., introduced the application of laser fine machining in advanced manufacturing of 3C electronics in the…

Advantages and prospects of laser cleaning technology

Yao jianquan, academician of Chinese academy of sciences, attended the summit and delivered a keynote speech on the development of high-end laser cleaning technology and intelligent manufacturing equipment. Under the background of the transformation and upgrading of manufacturing industry, the advanced laser cleaning technology has been paid more and more attention. Compared with traditional cleaning…

Key preparation technology of high power semiconductor laser

Semiconductor laser technology is widely used, in the current mainstream of four laser technology, in addition to CO2 laser does not use semiconductor laser, solid laser, fiber laser must use semiconductor laser as a pump source, the basis is based on high power semiconductor laser technology. As the core technology, semiconductor laser pointer is widely…