850nm 1W IR Laser Diode TO56 | 1000mW Semiconductor LD
850nm 1W IR Laser Diode TO56 | 1000mW Semiconductor LD
850nm 1W Infrared Laser Diode – TO56 Package | 1000mW Semiconductor LD
Upgrade your photonics, sensing, or laser module project with this high-performance 850nm infrared laser diode. Delivering a continuous-wave output of 1W (1000mW) in a compact TO56 (5.6mm) metal package, this semiconductor LD is engineered for precision applications including night-vision illumination, optical communication, LiDAR, laser range-finding, and DIY electronics experimentation.
Key Specifications
- Wavelength: 850nm (near-infrared)
- Output Power: 1W / 1000mW (continuous wave)
- Package: TO56 – 5.6mm metal housing
- Dimensions: 10 × 6mm
- Construction: Durable metal casing for effective heat dissipation
- Beam Type: Single-mode / multi-mode infrared output
Why Choose This IR Laser Diode?
- ✅ Compact TO56 form factor – fits easily into standard laser module mounts and heatsinks
- ✅ 850nm wavelength – ideal for night-vision systems, short-range optical links, and sensor arrays
- ✅ 1000mW output – high-power performance for demanding DIY and professional applications
- ✅ Metal housing – robust build quality ensures stable thermal management
- ✅ Versatile use – compatible with a wide range of laser drivers and optical components
Typical Applications
- Night-vision and IR illumination systems
- Short-range optical data communication
- Laser range-finding and distance measurement
- Machine vision and object detection
- Scientific research and optical bench setups
- DIY electronics and maker projects
Important Safety Notice
⚠️ Class 3B / Class 4 Laser Product. This device emits invisible infrared radiation. Always use appropriate laser safety eyewear rated for 850nm when operating this diode. Never direct the beam at people or animals. For use by experienced electronics hobbyists and professionals only. Review laser safety guidelines from OSHA Laser Hazards before use.
Technical Reference
For in-depth information on semiconductor laser diode technology and photonics standards, refer to the NIST Photonics Research resources.
Frequently Asked Questions
Q: What is the 850nm IR Laser Diode TO56 used for?
A: The 850nm 1W infrared laser diode in a TO56 package is commonly used for night-vision illumination, short-range optical communication, laser range-finding, LiDAR systems, machine vision, and electronics DIY projects. Its near-infrared 850nm wavelength is invisible to the naked eye, making it ideal for covert illumination and sensor-based applications.
Q: What does the TO56 package mean for this laser diode?
A: TO56 refers to a standardized metal transistor-outline package measuring 5.6mm in diameter. This housing provides excellent mechanical stability and thermal conductivity, helping to manage heat generated by the 1W output. It is compatible with most standard laser diode heatsinks and collimating lens mounts.
Q: What power supply or driver do I need for this laser diode?
A: This diode requires a dedicated constant-current laser diode driver capable of supplying the rated operating current (consult the datasheet for your specific unit's threshold and operating current). Never drive a laser diode directly from an unregulated voltage source, as this can permanently damage the device. A purpose-built LD driver module is strongly recommended.
Q: Is this laser diode safe to use without eye protection?
A: No. This is a high-power infrared laser diode and the 850nm beam is invisible to the human eye, meaning you cannot see when you are being exposed. Always use laser safety eyewear rated for 850nm wavelength and the appropriate optical density for 1W output. Follow all relevant laser safety protocols before operation.