Description
100W 780nm Diode Laser Bar Chip
Features:
- 780nm 100W CW output
- 47 emitters, TE-cooled design
- Stable thermal performance, high reliability
Applications:
- Laser Sensing & Detection: Ideal for spectral analysis, biosensing and precision measurement systems
- Medical & Biomedical R&D: Suitable for lab prototypes, diagnostic equipment and low-power therapeutic devices
- Laser Module Manufacturing: Core component for custom mid-power laser modules
- Academic & Industrial Labs: Reliable for laser-material interaction research

This 100W 780nm CW diode laser bar chip features 47 emitters and TE cooling technology, delivering stable continuous-wave output with consistent energy distribution. Its TE-cooled design ensures precise thermal control, enabling flexible integration and customized system matching, making it a premium choice for laser module manufacturers, sensing equipment developers and industrial R&D projects. Durable and high-performance, it meets strict standards for diverse low-to-mid power laser applications.
Data Sheet
Item No: LC780SB100
| Optical | Min | Typ | Max | Unit |
| Center Wavelength | 770 | 780 | 790 | nm |
| Working Mode | CW | |||
| Output Power | 100 | W | ||
| Spectrum Width | 2 | 4 | nm | |
| Quantity of Emitters | 47 | |||
| Emitter Width | 100 | um | ||
| Emitter Pitch | 200 | um | ||
| Cavity Length | 1480 | 1500 | 1520 | um |
| Thickness | 110 | 130 | 150 | um |
| Bar Length | 9800 | 10000 | 10200 | um |
| Fast Axis Divergence(FWHM) | 35 | 40 | Deg | |
| Slow Axis Divergence(FWHM) | 9 | 11 | Deg | |
| Polarization Mode | TE | |||
| Slope Efficiency | 1.1 | 1.2 | W/A | |
| Electrical | ||||
| Operating Current Iop | 100 | 110 | A | |
| Threshold Current Ith | 20 | 30 | A | |
| Operating Voltage Vop | 1.8 | 2.2 | V | |
| Conversion Efficiency | 55 | 60 | % | |
| Thermal | ||||
| Operating Temperature | 15 | 25 | 35 | ℃ |
| Wavelength Temperature Coefficient | 0.35 | nm/℃ |
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