Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 940nm 140w laser fiber coupled diode module. 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.
940nm 140W Laser Fiber Coupled Diode Module
Output from fiber
Diode laser single emitter chip from Germany and submount from Japan
Standard fibre adapters or bare fibers
Single wavelength with/without indicator light or some wavelengths combining
Features:
Low current and high voltage working mode
This way greatly simplifies the power supply design, and the small working current can well meet the requirements of the pulse mode.
Applications:
pumping fiber laser, DPSSL, illumination and scientific research

Operating the product outside of its maximum ratings may cause device failure or a safety hazard. Power supplies used with the device must be employed such that the maximum peak optical power cannot be exceeded. A proper heat sink for the Device on thermal radiator is required, sufficient heat dissipation and thermal conductance to the heat sink must be ensured.
Data sheet
Item no. FC940DL140
| Optical | |
| Center Wavelength | 940nm |
| Wavelength Tolerance | ±5nm |
| Output Power | 140W |
| Spectral Width FWHM | <5nm |
| Slope Efficiency | >10W/A |
| Fiber | |
| Fiber Bend Radius | >60mm |
| Fiber Core Diameter | 105um(±1.5um) |
| Fiber Numerical Aperture | 0.22NA |
| Fiber Length | 1.5m |
| Electrical | |
| Operating Current Iop | 13A |
| Threshold Current Ith | 0.5A |
| Operating Voltage Vop | 25V |
| Power Conversion Efficiency | 45% |
| Thermal | |
| Operating Temperature | 15~55℃ |
| Wavelength Temperature Coefficient | ~0.3nm/℃ |
| Back Reflection Isolation 1060-1100nm | >30dB |
Size
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