140W 905nm Diode Laser Chips

Product Description
with the development of unmanned driving, surveying and mapping, and other applications, the test range and accuracy of lidar has put forward higher requirements, which requires higher power laser transmitter chip, in view of this, Hangzhou Brandnew launched 6 w/w / 20 w / 40 w / 50 w / 75 w / 100 w / 140 w series 905 nm pulse laser chip.
140W 905nm Diode Laser Chips belongs to EEL side emitting chip and supports single, triple and quadruple emitting nodes. The photoelectric conversion efficiency is 41%. Fast axis divergence Angle 30 degrees, slow axis divergence Angle 13 degrees. In particular, it is worth noting that this series of chips have excellent high temperature resistance, with a power reduction of 4% for every 10℃ increase in the test weight between 25℃ and 125℃, and has passed the stringent CE certification test.
Data Sheet
Item No: LC905SB140
Item Name: 905nm 140W Single Bar Laser Chip
|
Optical |
Typ |
|
Central Wavelength |
905±10nm |
|
Output Power |
140W |
|
Working Mode |
Pulse |
|
Spectrum Width |
5nm |
|
Emitter Width |
200μm |
|
Number of Emitter |
2 |
| Chip Width | 800um |
|
Thickness |
150μm |
| Polarization Mode | TE |
| Slope Efficiency | 3W/A |
| Fast Axis Diverence(FWHM) | 40Deg |
| Slow Axis Diverence(FWHM) | 11Deg |
|
Electrical |
|
|
Operating Current Iop |
70A |
|
Threshold Current Ith |
1A |
|
Operating Voltage Vop |
7V |
|
Conversion Efficiency |
40% |
| Pulse Width | 200ns |
| Duty Cycle | 0.010% |
| Repetition Frequency | 5000Hz |
|
Thermal |
|
|
Operating Temperature |
25℃ |
|
Wavelength Temperature Coefficient |
0.35nm/℃ |
Drawing:

905nm 140W Single Bar Laser Chip (2 Emitters)
Looking for strong, stable power in a compact design? Our 905nm 140W single bar laser chip with 2 emitters delivers exactly that.
It's built for applications that demand high peak power, fast response, and reliability, such as LiDAR, range finding, and industrial sensing.
Each chip is carefully tested to ensure excellent beam quality and thermal stability - giving you consistent performance even under tough conditions.
If you're developing high-performance laser systems, this chip is a solid choice worth considering.
Application in LiDAR Systems
In LiDAR systems, the 905nm 140W single bar laser chip serves as the core light source for generating high-energy, short laser pulses. These pulses are emitted toward a target, and the reflected light is measured to calculate precise distance and spatial data.
Thanks to its high peak power, fast rise time, and excellent beam uniformity, this chip enables LiDAR systems to achieve longer detection ranges, higher accuracy, and better resolution - even in challenging outdoor environments.
It's widely used in automotive LiDAR, 3D mapping, robotic navigation, and environmental monitoring, providing stable and reliable optical performance essential for precise distance measurement.
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