Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 320w 976nm fiber coupled 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.
320W 976nm Fiber Coupled Laser Diode

Product Description
320W 976nm Fiber Coupled Laser Diode are mainly used in laser processing, optical communications and other fields.
In laser processing, 300W fiber-coupled lasers are widely used in laser cutting, laser welding and laser marking due to their advantages of high precision, high speed and long-distance transmission. Laser cutting has the advantages of high precision, high speed and good incision quality, and is suitable for cutting metal sheets, pipes, ceramics, glass and other materials; laser welding can improve welding quality and efficiency, reduce welding deformation and stress, and reduce production costs; laser marking has the characteristics of high precision, high speed and high contrast, and is suitable for surface marking of various metal and non-metal materials.
In the field of optical communications, fiber-coupled lasers are one of the core devices in optical fiber communication systems. By coupling optical signals into optical fibers for transmission, high-speed and long-distance data transmission is achieved, which improves data transmission rate and capacity and reduces transmission loss and cost. 300W fiber-coupled lasers have the characteristics of low noise, high linearity and low power consumption, which can improve the performance and stability of communication systems.
Specification:
| Optical | |
| Center Wavelength | 976±3nm |
| Output Power | 320W |
| Spectral Width FWHM | 6nm |
| Slope Efficiency | 18W/A |
| Electrical | |
| Operating Current Iop | 19.5-21A |
| Threshold Current Ith | 1.1A |
| Operating Voltage Vop | 34-36V |
| Power Conversion Efficiency | 50% |
| Thermal | |
| Operating Temperature | 15~35℃ |
| Wavelength Temp. Coefficient | 0.35nm/℃ |
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