Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 12w 945nm unmounted laser chip. 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.
12W 945nm Unmounted Laser Chip
Features:
InGaAs-based semiconductors
Optical output power: 12W CW
Standard wavelengths: 760 to 1030 nanometers (others available on request)
Fill factors: 10%, 20%, 30%, 50%, 75% (others available on request)
Resonator lengths: 0.6 mm, 1.0 mm, 1.5 mm, 2.0 mm, 3.5 mm, 4.0 mm (others available on request)
Optional: low AR coating (typically < 0.3%)
Optional: continuous metalization
Application:
Fiber Laser Pumping Source
Soild-state Laser Pumping Source
Direct Semiconductor Laser

Specification:
Item No.: LC945SE12
| Optical | Typ |
| Central Wavelength | 945nm |
| Output Power | 12W |
| Working Mode | CW |
| Emitter Width | 90μm |
| Emitter Pitch | 400μm |
| Cavity Length | 4000μm |
| Fast Axis Divergence(FWHM) | 27Deg |
| Slow Axis Divergence (FWHM) | 7Deg |
| Spectral Bandwidth(FWHM) | 4nm |
| Electrical | |
| Operating Current Iop | 12A |
| Threshold Current Ith | 0.8A |
| Operating Voltage Vop | 1.65V |
| Conversion Efficiency | 61% |
| Thermal | |
| Operating Temperature | 20℃ |
| Wavelength Temperature Coefficient | 0.35nm/℃ |
Performance Curve and Size Drawing

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