Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 40w 808nm detachable fiber coupled laser. Operating a state-of-the-art factory, we specialize in the entire production spectrum—from high-performance chips, TO/F/C Mounts, COS, and MCC bars, to robust stacks and advanced fiber-coupled solutions.
40W 808nm 400um SMA905 Detachable Fiber Coupled
Features:
- 808nm 40W CW output, stable power and low fluctuation.
- 400μm detachable design, easy fiber replacement.
- Standard SMA905 connector, quick optical path connection .
Applications:
- Solid-State & Fiber Laser Pumping: Excellent pump source for various lasers, high absorption efficiency.
- Industrial Thermal Processing: For plastic welding, adhesive curing and material surface heat treatment.
- Medical Physiotherapy Devices: Widely used in infrared rehabilitation and phototherapy equipment.
- Infrared Auxiliary Lighting: Applied to night vision monitoring and low-light industrial inspection.

This 40W 808nm fiber-coupled laser features detachable 400μm fiber and universal SMA905 interface. It delivers high power, stable operation and easy maintenance. Ideal for laser pumping, industrial heating, medical treatment and infrared lighting scenarios.
Data Sheet
Item No: FC808CB40
| Optical | |
| Center Wavelength | 808nm |
| Wavelength Tolerance | ±3nm |
| Output Power | 40W |
| Working Mode | CW |
| Fiber | |
| Fiber Core | 400um |
| Fiber Numerical Aperture | 0.22NA |
| Fiber Length | ~1m/0.9mm |
| Fiber Connector | SMA905 |
| Electrical | |
| Operating Current Iop | 9A |
| Threshold Current Ith | 40A |
| Operating Voltage Vop | 2V |
| Thermal | |
| Test Temperature | 25℃ |
| Storage Temperature | -30~70℃ |
Drawing:

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