Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 638nm 500mw cos package 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.
638nm 500mW COS Package Laser Diode
Features:
- 638nm bright red visible wavelength, 500mW stable output
- 40um emitter size + 1500um cavity length
- Compact COS package, industrial-grade reliability
Applications:
- Visible laser devices: High-brightness red laser pointers, portable laser alignment tools
- Industrial sensing: Precision positioning, edge detection for small electronic components
- Consumer electronics: Core for red laser modules in smart toys, optical display accessories
- OEM/ODM integration: Custom red laser light sources for lab testing & small optical systems
This high-performance 638nm 500mW laser diode features a 40um emitter size and 1500um cavity length, delivering bright, stable red visible output with optimized light extraction efficiency. Housed in a compact COS package, it combines industrial-grade reliability, low power consumption and easy integration, making it an ideal core component for bright red laser devices, industrial precision sensing, consumer electronic laser modules and custom small optical system integration.
Data Sheet
Item No: COS638DL05
| Optical | |
| Center Wavelength | 638nm |
| Wavelength Tolerance | ±10nm |
| Output Power | 500mW |
| Emitter Width | 40um |
| Cavity Length | 1500um |
| Fast Axis Divergence FWHM | 40DEG |
| Slow Axis Divergence FWHM | 10DEG |
| Electrical | |
| Operating Current Iop | 0.7A |
| Threshold Current Ith | 0.2A |
| Operating Voltage Vop | 2.3V |
| Thermal | |
| Test Temperature | 25℃ |
| Storage Temperature | -40~85℃ |
Drawing:
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