Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced high performance bare end fibre coupled laser diodes powering precision applications. 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.
High Performance Bare End Fibre Coupled Laser Diodes Powering Precision Applications
Features:
- Stable wavelength 1nm, high output power
- 0.3nm/A wavelength shift with current
- High brightness, high reliability and stability
- Robust design for operation in harsh environments
Applications:
- Ideal for Biomedical
- Industrial
- Telecommunication Optical Sensor Systems

Data Sheet
Item No: FC976DL300
Item Name: Bare End High Power Fiber Coupled Laser Diode
| Optical | |
| Center Wavelength λ | 976nm |
| Wavelength Tolerance | ±10nm |
| Output Power | 300W |
| Working Mode | CW |
| Fiber | |
| Fiber Numerical Aperture | 0.22NA |
| Fiber Core | 105um |
| Connector Type | Bare End |
| Fiber length | 1m |
| Electrical | |
| Operating Current Iop | 2A |
| Threshold Current Ith | 2A |
| Operating Voltage Vop | 40V |
| Thermal | |
| Operating Temperature | 25℃ |
| Storage Temperature | -30~70℃ |
| Wavelength Temp Coefficient | 0.3nm/℃ |
Drawing:

The High Performance Bare End Fibre Coupled 300W diode laser delivers an impressive output of 300 watts, featuring a 105µm fiber core diameter. These modules are designed to offer exceptional efficiency, stability, and superior beam quality. Utilizing advanced micro-optics technology, the asymmetric radiation from the laser diode chip is transformed into a small core diameter fiber output. Each product undergoes rigorous inspection and burn-in procedures to ensure outstanding reliability, stability, and an extended operational lifespan. These lasers are ideally suited for applications such as material processing and fiber laser pumping.
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