Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 940nm 30w cw/qcw/pulse fiber coupled diode for laser marking. 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 30W CW/QCW/Pulse Fiber Coupled Diode for Laser Marking
Features:
- 940nm high-efficiency wavelength
- 30W CW/QCW/Pulse multi-mode output
- Fiber-coupled for precise marking
Applications:
- Industrial Laser Marking: Ideal for high-precision marking on plastics, metals, ceramics and electronic components
- Electronics & PCB Marking: Suitable for fine marking of circuit boards, chips and electronic parts
- Automotive & Hardware Marking: Applied in marking serial numbers, logos and barcodes on auto parts, hardware tools
- Marking Equipment OEM/ODM: Reliable core component for manufacturing multi-functional laser markers

This 940nm 30W fiber coupled diode features versatile CW/QCW/Pulse working modes, tailored for laser marking applications. Its 940nm wavelength enhances material absorption, while fiber-coupled design ensures precise beam delivery for sharp, consistent marks. Compact, durable and easy to integrate, it adapts to both fine marking and mass production scenarios, making it a cost-effective premium choice for marking equipment manufacturers, industrial production lines and R&D projects.
Data Sheet
Item No: FC940DL30
| Optical | |
| Center Wavelength | 940nm |
| Wavelength Tolerance | ±10nm |
| Output Power | 30W |
| Spectrum Width FWHM | 6nm |
| Fiber | |
| Fiber core | 105um |
| Fiber Numerical Aperture | 0.22NA |
| Fiber Length | 1m |
| Fiber Connector | Bare end |
| Electrical | |
| Operating Current Iop | 13A |
| Threshold Current Ith | 2A |
| Operating Voltage Vop | 6V |
| Thermal | |
| Test Temperature | 25℃ |
| Storage Temperature | -30~70℃ |
| Wavelength Temperature Coefficient | 0.3nm/℃ |
Drawing:

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