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.
Copyright @ 2020 Shenzhen Box Optronics Technology Co., Ltd. - China Fiber Optic Modules, Fiber Coupled Lasers Manufacturers, Laser Components Suppliers All Rights Reserved.