Laser Engineering Research Institute

Laser Engineering Research Institute was established in 2015, from Tsinghua 20 years of technology accumulation, focusing on the field of optical electronics development, is the leading laser design and development manufacturing units. The Institute is affiliated to Tianjin High-end Equipment Research Institute of Tsinghua University. The team consists of a number of Tsinghua University PhDs, masters and experienced senior engineers. The main characteristics of the team are strong research and development ability and fast development speed.

Since its establishment, the Laser Engineering Research Institute has undertaken a large number of national key scientific and technological projects, and a number of products have been handed over to local enterprises for production. Key technical indicators such as product power, beam quality, environmental adaptability, and reliability are all at the domestic first-class level. Relying on years of R & D experience accumulation, a full set of reliable testing equipment and strict production process control, we continue to develop technologies and products with independent intellectual property rights, and are committed to providing global customers with first-class products and corresponding technical services.

Laser Engineering Research Institute is currently committed to laser light source business, power electronic control business and technical consulting services business, the main products include equipment with high-energy lasers, radar with high-energy lasers, industrial high-power nanosecond/ultra-fast ultraviolet lasers, laser power electronic control module research and development and production. At the same time, we provide customers with all-round, wide field, multi-level laser technology and non-standard equipment technology and solutions. With a series of innovative solutions such as self-developed CombinedGuiding technology, we have achieved the industry's top product performance, mass-produced design and outstanding reliability.

Our products serve industrial manufacturing, aerospace, scientific research and other industries. When you encounter challenging problems in the field of optoelectronics, we are your trusted partner.

The Laser Engineering Research Institute has a team composed of highly educated and high-quality talents. Its leaders and technical backbones graduated from Tsinghua University, Chinese Academy of Sciences and other famous universities. Team members are young and energetic, innovative and brave to meet challenges. Members rely on a good sense of social responsibility and excellent technology research and development capabilities to enable enterprises to maintain competitiveness in the fierce market competition and achieve rapid and stable development of enterprises.

The team adheres to the working principles of integrity, standardization and efficiency, wins the market with technology, obtains reputation with technical services, and wholeheartedly provides high-quality, efficient and fast services for the majority of customers. Facing the future, we insist on independent innovation.

　

 

 

Core Technology

　　High-power picosecond lasers: J series-industrial picosecond lasers
The J series offers all-solid-state picosecond lasers. Output wavelength from deep ultraviolet to near infrared band optional: 213nm / 266nm / 355nm / 532nm/1064nm. The laser adopts industrial design, compact and sturdy structure, simple and universal interface, suitable for system integration. The output laser pulse width is ps magnitude, and the heat affected zone (HAZ) of the processed material is extremely small to ensure the high quality process effect.

 

Application areas

Glass, sapphire and other brittle transparent materials processing laser precision micromachining, micro stereolithography semiconductor wafer forming processing.

　　　

Display, OLED cutting laser LIFT-OFF process ceramics, diamond cutting

 

 

High-power nanosecond lasers: K series-industrial nanosecond lasers
The K Series provides solid-state laser light sources with nanosecond pulse widths. Using CombinedGuiding technology, the laser solves the problem of beam quality deterioration under high power while realizing power expansion, effectively prevents the damage resistance of ultraviolet crystal, improves the frequency conversion efficiency, and realizes the stable ultraviolet laser output of more than 40W power. The K Series is a versatile tool that can be used in a variety of manufacturing processes.

Application areas

Glass material cutting, punching, marking silicon material micro-processing, silicon wafer cutting medical appliances antibacterial marking

 

PCB punching, cutting HDI high density interconnect ceramic material processing

 

 

　　Large Energy Solid State Laser: S Series-Large Energy Laser for Equipment
The S series offers all-solid-state nanosecond lasers. The output wavelength covers the deep ultraviolet to mid-infrared band: 213nm / 266nm / 355nm / 532nm / 1064nm / 2100nm, which can achieve a large energy laser output of more than 80mJ. Laser pulse width, frequency, energy can be customized, and can choose multi-wavelength output at the same time. S series lasers are compact, small in size, simple and versatile in interface, and suitable for system integration.

 

 

PLIF planar laser channeled fluorescence detection combustion diagnostic system, laser imaging

 

spectral measurement laser remote sensing

 

 

Radar solid-state lasers: Q series-advanced radar lasers
　　The Q Series is a compact high-energy high-beam quality nanosecond laser source for advanced radar applications. The Q series uses CombinedGuiding technology to solve the problem of deterioration of high-energy laser beam quality, and realizes laser output with high energy (fundamental frequency light 40mJ), excellent beam quality (M2<1.5), high repetition frequency (2kHz) and short pulse (<5ns). It is an ideal light source for advanced long-distance radar.

　　Application areas

Long-range lidar/detection range 0~1000km

 

 

Semiconductor laser power supply
　　1) High power LD continuous power supply
■%Can adapt to high and low temperature, strong vibration and other harsh working environment;
■%The power conversion efficiency of the main power module is as high as 95%;
■%Using special design to achieve very small current ripple;
■%Compact volume and light weight;

■%Output current 0 ~ 15A continuously adjustable, voltage 0~33V adaptive;
■%Clock control can be switched inside and outside, multi-channel delay can be adjusted;
■%Surge protection/overcurrent protection/anti-reverse connection and other safety protection functions;
■%TEC temperature control drive function, temperature control accuracy <0.1 ℃;
■%Acousto-optic Q/electro-optic Q drive function;
■%PC control software can be customized;
■%The number of output channels can be customized.

 

 

2) High power LD pulse power supply
■%Can adapt to high and low temperature, strong vibration and other harsh working environment;
■%The power conversion efficiency of the main power module is up to 85%;
■%Using special design to achieve very small current ripple;
■%Compact volume and light weight;

■%Clock control and external control can be switched, multi-channel delay can be adjusted;
■%Pulse frequency 1k ~ 10kHz adjustable, pulse width 0~5ms adjustable;
■%Output current 0 ~ 100A adjustable, voltage 0~100V adaptive;
■%Surge protection/overcurrent protection/anti-reverse connection and other safety protection functions;
■%TEC temperature control drive function, temperature control accuracy <0.1 ℃;
■%Acousto-optic Q/electro-optic Q drive function;
■%PC control software can be customized;
■%The number of output channels can be customized.

 

 

Contact Information
Address: Building 5, Kechuang Huigu Park, East Hongshun Road, Huaming High-tech Zone, Dongli District, Tianjin
Zip Code: 300300
Contact: Liu Lianhui
Fixed telephone: 022-84949878
Mobile phone: 18722399319
E-mail: liulh@tsinghua-tj.org
Fax: 022-84949878