What is an efficient job to make sure of ultra clear and precise dot indication for all surveillance fields? It is not easy to reach with a simple laser pointer or manual dot projecting tool, but substituted by advanced laser diode tech applied tool of a 808nm infrared laser diode module. Owing to its advanced use of an import 808nm infrared laser diode and a qualified optic lens inside a durable anodized aluminum alloy housing tube, together with electric power source supply and general work with thermal emitting system inside, this direct diode emission made infrared dot laser alignment assures good heat dissipation, ultra stable and reliable infrared laser dot projection for all scientific research works constantly.
The general use of a 808nm infrared laser diode module gets a bit longer wavelength than other visible laser devices, thus IR laser light is not visible to the human eyes, which does not affect the environments and is not easily detected by intruders, making it suitable for covert surveillance. Employed by an import 808nm infrared laser diode within 5mW to 400mW and high power up to 500mW to 1000mW, cooperated with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, this infrared dot laser alignment achieves good heat dissipation and ultra stable infrared reference dot projection as long as 10 hours per day. Usually it gets no effect by overheating and over current impact.
Compared to visible laser light, the genuine operation of a 808nm infrared laser diode module is less affected by weather and ambient light interference, providing stable long-distance illumination and a greater imaging range. In order to assure ultra clear and precise infrared dot projection at different work distances, it applies a qualified glass coated lens and glass window. Whenever IR dot measuring work is processing under harsh occasion of moisture, rain, water or dust etc, it still maintains ultra stable and clear infrared dot projection in long term use. Whenever it projects powerful infrared laser light source at long extending distances, after quite easy adjustment of both of laser beam focus and laser dot emitting direction, this infrared dot laser alignment achieves increasing accuracy and stability infrared dot generation at greater distance. Owing to its easy focusing, concentrated illumination energy, it can avoid light pollution, feature low power consumption and minimal heat dissipation, allowing for continuous operation over extended periods.
Being made with ultra compact structure design, with the assistance of a laser alignment mounting bracket, this 808nm infrared laser diode module allows for seamless integration with cameras, sensors, and alarm systems, making it compatible with various monitoring devices, including handheld, fixed, and vehicle-mounted systems.
General applications in surveillance field:
Night Vision Auxiliary Lighting: Paired with an infrared camera, it provides a concealed light source (invisible to the human eye) for nighttime surveillance, improving image clarity in low-light/complete darkness environments, suitable for outdoor security and border monitoring.
Laser Supplemental Lighting for Ranging: As an active supplemental light source, 808nm infrared laser diode module works with TOF cameras or LiDAR to achieve target distance measurement and motion trajectory tracking (e.g., locating intruders in parks, traffic flow statistics).
Security Alarm Trigger: Focused into a fine light spot to form an "invisible warning line," infrared alignment laser triggers an alarm when a target blocks the beam (suitable for secure rooms, antique cases, and intrusion prevention in high-risk areas).
Severe Weather Penetration Supplemental Lighting: Intense infrared laser light can penetrate environmental interference such as fog, haze, and rain, supplementing infrared light for long-distance surveillance (e.g., ports, highways), solving the problem of blurry visible light surveillance.
Link source: https://www.berlinlasers.com/808nm-infrared-laser-diode-module