LET-2500A

1535nm Laser Ranging Module, Eye-Safe Long Distance Laser Distance Sensor

Our 1535nm laser ranging module adopts erbium glass laser as the internal light source. This integrated laser distance sensor delivers stable and precise long-distance measurement.Equipped with 1535nm infrared wavelength, this eye-safe laser rangefinder minimizes eye hazard risks for outdoor and industrial applications. Featuring low atmospheric attenuation, it maintains reliable laser transmission even in foggy and dusty working conditions.As the original manufacturer, Leirte supplies high-performance laser ranging modules with flexible customization, sample testing and mass production support for optoelectronic and photonics projects.

Key Features

• 1535nm erbium glass pulsed laser source, Class 1 eye-safe design

• Low atmospheric attenuation, stable measurement performance in fog and dust

• Long measurement range with high precision and fast response speed

• Integrated laser ranging module, easy for direct embedding into your equipment

• Compact mechanical structure, convenient for product integration

• Stable continuous output, suitable for outdoor and industrial long-time operation

• Customizable parameters, support sample trial and bulk orders

Product Benefits

• Superior eye safety: 1535nm wavelength offers much higher safety compared with conventional 905nm laser ranging sensors for field deployment.

• Strong environmental adaptability: Less optical loss during atmospheric transmission, consistent ranging results under harsh weather conditions.

• Plug-and-play integration: Complete laser ranging module, no need to build separate laser light source and receiving circuit from scratch, shortening your R&D cycle.

• High measurement stability: Reliable pulse energy ensures repeatable and accurate ranging data for long-term use.

• Customizable specifications: We adjust ranging range, resolution and other parameters to match your project requirements for UAV, perimeter security and industrial inspection.

  
  

Application Scenarios

This 1535nm laser ranging module is widely applied in: UAV payload distance measurement、Perimeter security & boundary detection、Industrial long-distance inspection、LiDAR and optoelectronic sensing devices、Smart transportation and remote monitoring systems

Shenzhen Leirte Optoelectronics Technology Co., Ltd.

Shenzhen Leirte Optoelectronics Technology Co., Ltd. is a wholly-owned subsidiary of Sanlei Optoelectronics. As a high-tech enterprise, the company specializes in the R&D, production, and sales of semiconductor EEL, VCSEL, and APD optoelectronic device packaging, fiber-coupled lasers, erbium-glass lasers, and gas detection lasers. Our products are widely used in laser ranging, LiDAR, biomedical applications, smart sensing, gas detection, and various industrial fields. The company is equipped with a complete semiconductor automated production line and advanced inspection and testing equipment. We maintain strict quality control systems and refined manufacturing processes. The company has obtained ISO certification for its quality management systems and holds over 20 patents. In collaboration with prestigious universities, we have established an optoelectronics research base to provide industry clients with high-quality products and professional technical support.

Welcome customers to visit and exchange ideas at our factory

With a well-managed inventory system and sufficient raw material reserves, we ensure fast turnaround times for both sample orders and bulk shipments. Standard wavelengths are kept in stock for immediate dispatch — your deadlines are our priority.