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The High Power 940nm 20W CW Laser Diode Chip, output power 20W, long lifetime, high efficiency, widely used in Industrial pump, Laser illumination, R&D and other fields.
The High Power 940nm 20W CW Laser Diode Chip, output power 20W, long lifetime, high efficiency, widely used in Industrial pump, Laser illumination, R&D and other fields.
The High Power 940nm 20W CW Laser Diode Chip, output power 20W, long lifetime, high efficiency, widely used in Industrial pump, Laser illumination, R&D and other fields.
Wavelength 940nm;
Output power 20W;
Working life > 20000h;
Low dark current, Low capacitance;
High reliability, Long operation life;
Industry;
Pump;
Illumination;
Medical treatment.
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
| Operation | |||||
| Center wavelength | λc | 939 | 942 | 945 | nm |
| Optical output power | Po | - | 20 | - | W |
| Operation mode | - | CW | - | ||
| Power modulation | - | - | 100 | - | % |
| Electro Optical Data | |||||
| Fast axis divergency (FWHM) | θ⊥ | - | 29 | - | deg |
| Slow axis divergency (FWHM) | θ‖ | - | 9 | - | deg |
| Spectral bandwidth (FWHM) | Δλ | - | 4 | - | nm |
| Pulse wavelength | λ | 927 | 930 | 933 | nm |
| Slope efficiency | η | 0.95 | 1.0 | - | W/A |
| Conversion efficiency | - | 50 | 54 | - | % |
| Threshold current | ITH | - | 1.3 | 1.6 | A |
| Operating current | IOP | - | 23.0 | 24.5 | A |
| Operating voltage | VOP | - | 1.75 | 1.95 | V |
| Temperature characteristics(dλ/dT) | - | - | 0.34 | - | nm/℃ |
| Polarization | - | - | TE | - | - |
| LD Operating temperature | - | - | 25 | - | ℃ |
| Geometrical | |||||
| Emitter width | W | - | 190 | - | µm |
| Emitter pitch | P | 490 | 500 | 510 | µm |
| Cavity length | L | 3990 | 4000 | 4010 | µm |
| Thickness | D | 110 | 130 | 150 | µm |
All products have been tested before shipping out;
All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.)
We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);
If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;
If the items are defective, please notify us within 3 days of delivery;
Any items must be returned in their original condition to qualify for a refund or replacement;
The buyer is responsible for all the shipping cost incurred.
A: We have 808nm 830nm 880nm 915nm 975nm.
Q: What output power would you like?A: Box Optronics can customize according to your requirements.
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