Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 3w 1550nm f package with fac laser diode. 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.
3W 1550nm F Package with FAC Laser Diode
This 3W 1550nm F-Mount laser diode is equipped with built-in FAC fast-axis collimating lens. It adopts standard F package with superior heat dissipation performance. The pre-collimated beam lowers optical system development cost. It is widely used as core light source for long-distance LiDAR, free-space communication and high-precision optical sensing equipment.
Features:
- Eye-safe 1550nm infrared band, stable 3W CW output
- FAC lens, effectively collimates the wide fast-axis divergent beam
- Flat heat dissipation base with low thermal resistance
Applications:
- Long-range LiDAR, FMCW ranging, laser rangefinder systems
- Free-space optical communication, atmospheric optical transmission equipment
- Optical gas sensing, distributed fiber optic monitoring platforms
- Industrial optical measurement, infrared scanning & detection instruments

Spec sheet:
Item No.: FM1550KZ3
| Optical | |
| Center Wavelength λ | 1550nm |
| Wavelength Tolerance | ±20nm |
| Output Power | 3W |
| Spectrum width FWHM | 12nm |
| Fast Axis Divergence FWHM | 10DEG |
| Slow Axis Divergence FWHM | 10DEG |
| Electrical | |
| Operating Current Iop | 8A |
| Threshold Current Ith | 1A |
| Operating Voltage Vop | 1.2V |
| Slope Efficiency | 0.45W/A |
| Conversion Efficiency | 25% |
| Polarization | TE |
| Thermal | |
| Test Temperature | 25℃ |
| Storage Temperature | -30~70℃ |
Drawing

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