Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 5mw 680nm unmounted vcsel die. 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.
Single Emitter 5mW 680nm Unmounted VCSEL Die
Feature:
Output power: 5mW Central wavelength: 680nm
Small emission area, easy to collimate
Suitable for low power light application
Small divergence angel
Oxide Isolation technology
Advantages:
Beam Quality: 5mW 680nm Unmounted VCSEL Die emit a circular beam. Through proper cavity design VCSELs can also emit in a single transverse mode (circular Gaussian). This simple beam structure greatly reduces the complexity and cost of coupling/beam-shaping optics (compared to edge-emitters) and increases the coupling efficiency to the fiber or pumped medium. This has been a key selling point for the VCSEL technology in low-power markets.
Reliability: Because 5mW 680nm Unmounted VCSEL Die are not subject to catastrophic optical damage (COD), their reliability is much higher than for edge-emitters. Typical FIT values (failures in one billion device-hours) for VCSELs are <10.

Data Sheet
Item No: VC680LC0005
| Optical | |
| Center Wavelengt | 680nm |
| Wavelength Tolerance | ±10nm |
| Optical Power | 5mW |
| Working Mode | CW |
| Emitter Diameter | 22um |
| Chip Thickness | 130um |
| Divergence(FWHM) | 30Deg |
| Slope Efficiency | 0.7W/A |
| Electrical | |
| Threshold Current | 4.5mA |
| Forward Current | 12mA |
| Laser Forward Voltage | 2.5V |
| Thermal | |
| Operating Temperature | 20℃ |
| Wavelength Temp. Coefficient | 0.3nm/℃ |
Drawing:

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