
What is a good solution to make ultra clear and precise dot indication for special working occasions of Lidar ranging? A simple laser pointer or other visible laser device cannot be workable at all. Under operation of constant technical innovation of 980nm infrared laser diode tech and a qualified glass coated lens inside a durable metal housing tube, it is manufacturing into a professional dot measuring tool of a infrared laser diode module. It gets constant electric power source supply and proper connects with an external electric power source supply. Cooperated with night version device or equipment, being used as core laser light source for Lidar ranging, infrared dot laser alignment projects a narrow pulse of infrared laser light towards the target object. The receiving module captures the reflected light signal, and the time-of-flight (ToF) principle is used to calculate the round-trip time of the light signal, thereby accurately calculating the target distance.
980nm infrared laser diode module belongs to a near infrared laser device, owing to its invisible laser light emission, it should only be used as an accessory part. In conjunction with scanning mechanisms, such as galvanometers and MEMS micromirrors, the infrared laser dot scans the detection area along a preset trajectory, achieving 3D modeling of the spatial environment and multi-target distance measurement, providing distance data support for the radar system. Being made with a qualified glass coated lens and adjustable focus optic lens in front of laser beam aperture, infrared dot laser alignment is working well with highly powerful and high photoelectric ability infrared laser light source emission. After conversion of strong light spot focusing and narrow pulse width, it enables accurate capture of reflected signals. Ranging errors can be controlled at the centimeter or even millimeter level, meeting high-precision ranging requirements.
When 980nm infrared laser diode module gets constant electric power source supply, 980nm infrared light can avoid visible light and common interference, is not easily affected by sunlight or ambient light, and can still stably output distance data under complex lighting conditions. Owing to its quick reaching and good direction infrared laser dot projection, it just takes low energy consumption, adaptable to the performance requirements of various ranging fields. Featured by its small size and light weight, this infrared alignment laser can be easily integrated into the overall Lidar system. It meets the requirements for miniaturization and lightweight design, and also has a long service life, reducing radar system maintenance costs.
General applications in Lidar ranging:
Autonomous Driving: 980nm infrared laser diode module is used in vehicle-mounted LiDAR systems to enable vehicles to detect distances to obstacles, pedestrians, and the surrounding environment in 3D, providing accurate environmental data for autonomous driving decisions.
Drone Obstacle Avoidance Equipped in drone LiDAR systems, it measures the distance between the drone and obstacles in real time, triggering obstacle avoidance commands to ensure flight safety. Suitable for drone scenarios such as aerial photography and logistics delivery.
Industrial Ranging and Positioning: 980nm infrared alignment laser is used for distance measurement and positioning navigation of industrial robots, assisting robots in completing tasks such as material handling and precise assembly, improving the accuracy of production automation.
Security Monitoring Distance Measurement: Integrated into security lidar, it detects the distance to moving objects within the monitored area, determines the location and trajectory of intrusion targets, and enhances security early warning capabilities.
Intelligent Transportation: LiDAR used for traffic condition monitoring measures parameters such as vehicle spacing and speed, assisting in traffic signal optimization and traffic incident early warning, thereby improving road traffic efficiency.
Category: 980nm infrared laser diode module
Industrial Processing Use of 980nm Infrared Laser Diode Module
The 980nm infrared laser diode module is mainly used in industrial processing for high-precision positioning, collimation, marking pretreatment and micro-processing of specific materials. With its infrared band characteristics and stable performance, it plays an important role in the field of precision manufacturing. It applies an import 980nm semiconductor infrared laser diode and a qualified optic lens inside a durable metal housing tube, after easy connects with an external electric power source and proper installation or integration with night version device or equipment, this 980nm infrared dot laser assures high precision, high stability and good direction IR dot positioning results for multiple industrial processing works effectively.
In practical industrial processing works, 980nm infrared laser diode module is operating differently from any other visible laser device or manual dot projecting tool etc. It has good featured advantages of high concealment and no visual interference. This 980nm wavelength belongs to the near infrared band, which is invisible to the naked eyes and will not cause visual interference to operators. It is especially suitable for production lines that require manual auxiliary monitoring to avoid the influence of visible light on observation. Every time 980nm infrared dot laser alignment tool gets constant power source from 5V, 9V 1000mA DC power supply, it begins to work with high penetration IR laser light source to some of non metallic materials, such as plastics and composite materials, which can be used for internal defect detection or deep micro-processing of materials. At the same time, the energy concentration facilitates focusing into a tiny spot.
When 980nm infrared laser diode module applies APC, ACC driving circuit board design inside a durable anodized aluminum alloy housing tube, it bears various harsh working occasions, such as dust, moisture or water vapor etc. Being made with sealed packaging design, it can maintain stable infrared laser beam and infrared reference dot projection in dusty workshops with large temperature differences (some modules support -10~60℃). The extending serving lifetime of infrared dot laser can reach as long as more than 8,000 hours. It gets less output power fluctuation, low performance attenuation, and fulfills the needs of industrial continuous production.
Besides the adoption of a qualified glass coated lens and adjustable focus optic lens, this near wavelength 980nm infrared laser diode module also gets high high circularity of the spot, small divergence angle (divergence angle of some single-mode modules ≤ 1mrad), after collimation, the infrared laser beam can be kept parallel over a long distance (several meters to tens of meters), and the positioning accuracy can reach within 0.1mm. 980nm infrared dot laser alignment always maintains high electro-optical conversion efficiency and short start-up response time, can cooperate with automation equipment to achieve fast switch control, and adapt to the dynamic positioning requirements of high-speed production lines. Owing to its ultra compact structure design, it enables easy carrying, convenient and direct integration with robotic arms, conveyor belts, processing machine tools and other equipment without complex external debugging.
Specific applications in industrial processing
Precision positioning and calibration: In mechanical assembly and automated production lines, 980nm infrared laser diode module is operated as a high-precision reference light source, which provides non-contact positioning reference for the alignment of mechanical parts, guide rail calibration, equipment installation, and ensures that the assembly accuracy of parts reaches the micron level.
Laser welding/cutting assistance: In the micro-welding or fine cutting of thin sheet metal and electronic components, 980nm infrared alignment laser assists in positioning welds or cutting paths, and cooperates with high-power laser equipment to improve processing accuracy, especially suitable for the processing of tiny parts (such as electronic chip pins and precision gears).
Material micro-processing pretreatment: infrared laser light source is applied for surface modification or local heating pretreatment of ceramics, glass, polymer materials, etc., to provide precise energy focusing areas for subsequent processing (such as engraving and etching) and reduce processing errors.
Performance Advantages of 980nm Infrared Laser Diode Module

When dot alignment work is processing under all night version illumination field, it is a quite efficient job for users to operate a long wavelength made device of a 980nm infrared laser diode module. It can produce high power infrared laser light source so as to meet application scenarios with high requirements for optical power, such as industrial processing and long distance lighting work. On the basis of constant electric power source supply and practically used thermal emitting system inside its durable housing tube, this infrared dot laser enables constant infrared laser light source generation, and ultra clear and stable infrared dot generation in long time use.
Among all lasers of optical spectrum, infrared laser diode module with the wavelength of 980nm is relatively stable and is less effected by environmental factors, which ensures performance consistency under different working conditions. Being made with an import 980nm infrared laser diode within different output power range of 5mW to 500mW, and high power up to 600mW to 1000mW, it gets basic equipment of thermal emitting type of a metal heat sink cooling system inside its high duration anodized aluminum alloy housing tube. This 980nm infrared dot laser is performing well with good laser beam stability and ultra long time infrared reference dot projection as long as 10 hours per day.
According to the adoption of a qualified glass coated lens, this 980nm infrared laser diode module enables high collimation and focusing infrared laser beam emission in distance. In addition, owing to special use of adjustable focus optic lens, high energy density infrared laser light source is immediately concentrated, thus it achieves increasing high precision and high brightness infrared reference dot projection in distance. It is quite conducive to precise operation in medical and scientific research fields.
After easy connects with an AC/DC adapter, this long wavelength 980nm infrared laser can be turned on and off immediately, which just gets no limitation by work distance, lasting time or other harsh working environments as well. It can meet the needs of high speed IR laser beam modulation and pulse working modes, and is suitable for optical communications and other scenarios with high requirements for signal transmission speed.
Prospects of 980nm infrared laser diode module:
980nm infrared laser light source is used as a key pump source, which is playing an important role in the optical fiber communication system, helping to achieve high data transmission rate and long transmission distance.
Medical field: in the filed of laser surgery, physical therapy and other laser medical treatment, 980nm laser is expected to be more widely used used due to its specific absorption and penetration characteristics in biological tissues, providing more accurate and effective means for disease treatment.
Industrial manufacturing field: In industrial manufacturing processes such as metal processing and 3D printing, 980nm infrared laser modules can be used for fine processing and surface treatment of materials. As the manufacturing industry develops towards high precision and intelligence, its application space will continue to expand.
Autonomous driving and robotics field: As one of the light sources of laser radar, 980nm infrared laser diode module can provide high-precision environmental perception information for autonomous driving vehicles and robots. With the rapid development of autonomous driving technology and the robotics industry, its market demand is expected to grow significantly.
