12W 976nm COS Diode Laser For IR Illumination
Features:
- 12W output power, 976nm Central wavelength
- COS package
- Long lifetime>10000 hours
- Good performance5. Quick delivery 1-2 working week
Application:
- Medical Use
- Industry application
- Material processing
- Printing technology

12W 976nm COS Diode Laser with COS package, make it safer. Chips on submount, usually for Medical Application, Material Processing etc.
Data Sheet
Item No: COS976DL12
Item Name: COS 12W 976nm Laser Diode
| Optical | |
| Center Wavelength | 976nm |
| Wavelength Tolerance | ±10nm |
| Output Power | 12W |
| Emitter Width | 94um |
| Fast Axis Divergence | 55Deg |
| Slow Axis Divergence | 9Deg |
| Polarisation ratio TE/(TM+TE) | 97% |
| Electrical | |
| Threshold Current Ith | 0.55A |
| Operating Current | 13A |
| Operating Voltage Vop | 1.55V |
| Slope Efficiency | 0.95W/A |
| Thermal | |
| Test Temperature | 25℃ |
| Storage Temperature | -30-70℃ |
| Wavelength Temperature Coefficient | 0.3nm/℃ |
Drawing:

In the field of laser engraving, the choice of packaging technology is a key factor in the performance and reliability of a laser system. Among the many packaging solutions available, the adoption of "chip-on-shell" (CoS) technology has become a strategic decision for a number of reasons.The unique combination of excellent thermal management, mechanical resilience and precise optical alignment has made CoS technology the packaging solution of choice for laser engraving applications. This paper explores the key motivations for choosing CoS technology in laser engraving and how it is playing an important role in shaping the capabilities and outcomes of this dynamic industry.
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