Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 350w 940nm cw unmounted laser bar. 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.
350W 940nm CW Unmounted Laser Bar
Semiconductor lasers are the centerpiece of most of today's industrial laser systems. Whether direct material processing or optical pumping of solid-state lasers, fiber lasers or disc lasers, the unmounted single emitters and bars are the key component for the initial conversion of electrical energy into light.
Features
Unique technology for highest reliability and lifetime
Powers up to 350W CW
Wide variety of bar configurations
(Emitter width, fill factor, and cavity length)
Application:
Fiber Laser Pumping Source
Soild-state Laser Pumping Source
Direct Semiconductor Laser
Specification:
Item No.: LC940SB350
| Optical | Typ |
| Central Wavelength | 940nm |
| Output Power | 350W |
| Working Mode | CW |
| Number of emitters | 25 |
| Emitter Width | 200μm |
| Emitter Pitch | 400μm |
| Bar Length | 10000μm |
| Cavity Length | 4000μm |
| Thickness | 110μm |
| Fast Axis Divergence | 28Deg |
| Slow Axis Divergence | 10Deg |
| Polarization Mode | TE |
| Spectral Width | 6nm |
| Electrical | |
| Operating Current Iop | 340A |
| Threshold Current Ith | 19A |
| Operating Voltage Vop | 1.75V |
| Conversion Efficiency | 55% |
| Thermal | |
| Operating Temperature | 25℃ |
| Wavelength Temperature Coefficient | 0.3nm/℃ |
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