1550nm 5mW Infrared Laser Communication Sensing Module
1550nm 5mW Infrared Laser Communication Sensing Module
1550nm 5mW Infrared Laser Communication Sensing Module
Engineered for precision sensing and communication applications, this compact 1550nm infrared laser module delivers stable, continuous-wave output in a rugged aluminum housing. Ideal for professionals working in optical communication, sensing systems, ranging, and research environments, this module combines a glass collimating lens with low beam divergence for highly accurate performance.
Key Features
- Wavelength: 1550nm — a standard wavelength for infrared communication and sensing systems
- Output Power: <5mW for controlled, Class IIA laser operation
- Circuit Mode: Continuous Wave (CW) for steady, uninterrupted output
- Working Voltage: 2.8–3.5V | Working Current: <100mA
- Wide Operating Temperature: -20°C to +50°C — suitable for a broad range of environments
- Storage Temperature Range: -40°C to +85°C
- Compact Dimensions: 12 × 40mm — easy to integrate into custom builds and enclosures
- Glass Collimating Lens: Delivers a focused spot size of less than 3mm at 50mm distance
- Low Beam Divergence: <0.7 mrad for excellent directional accuracy
- Drive Circuit: ACC (Automatic Current Control) for consistent output stability
- Long Service Life: >8,000 hours of reliable operation
- Eco-Friendly Aluminum Shell: Lightweight, durable, and environmentally responsible construction
- Laser Safety Class: IIA — meets standard safety classification for low-power infrared lasers
- Nominal Voltage: 12V | Power: 1W | Power Source: AC
Technical Specifications
| Wavelength | 1550nm |
| Output Power | <5mW |
| Circuit Mode | CW (Continuous Wave) |
| Working Voltage | 2.8–3.5V |
| Working Current | <100mA |
| Operating Temp. | -20°C to +50°C |
| Storage Temp. | -40°C to +85°C |
| Dimensions | 12 × 40mm |
| Spot Size | <3mm at 50mm |
| Divergence Angle | <0.7 mrad |
| Lens Type | Glass Collimating Lens |
| Drive Circuit | ACC |
| Laser Class | IIA |
| Service Life | >8,000 hours |
| Shell Material | Environmentally Friendly Aluminum |
Made in Mainland China.
For guidance on laser safety standards and classifications, refer to the U.S. Consumer Product Safety Commission (CPSC) Laser Safety Resources.
Frequently Asked Questions
Q: What is the 1550nm wavelength infrared laser module used for?
A: The 1550nm infrared laser communication sensing module is commonly used in optical fiber communication, LiDAR ranging systems, optical sensing, scientific research, and industrial measurement applications. The 1550nm wavelength is a well-established standard in telecom and sensing due to its low atmospheric absorption characteristics.
Q: What does Laser Class IIA mean for this infrared laser module?
A: Laser Class IIA indicates that the module operates at a low output power level (<5mW) with specific safety considerations for direct eye exposure. Always follow proper laser safety procedures and avoid direct exposure to the beam. Refer to your local laser safety standards and guidelines before use.
Q: Is this infrared laser module easy to integrate into existing systems?
A: Yes. The compact 12 × 40mm aluminum housing and standard operating voltage range (2.8–3.5V) make this module straightforward to integrate into custom PCB designs, optical benches, or sensing enclosures. The ACC drive circuit ensures stable current output for consistent performance across different setups.
Q: What is the expected service life of this laser module?
A: This 1550nm infrared laser module is rated for a service life of over 8,000 hours under normal operating conditions, making it a dependable choice for long-term professional and research applications.