The 940nm 20W Semiconductor Laser diode has been developed for pumping, medical or materials processing applications. This diode laser has been designed to delivery very high output power for the fiber laser market and for direct system manufacturers to with a more compact pump configuration. Various output powers are available. Custom wavelengths and configurations available upon request.
The 940nm 20W Semiconductor Laser diode has been developed for pumping, medical or materials processing applications. This diode laser has been designed to delivery very high output power for the fiber laser market and for direct system manufacturers to with a more compact pump configuration. Various output powers are available. Custom wavelengths and configurations available upon request.
The 940nm 20W Semiconductor Laser diode has been developed for pumping, medical or materials processing applications. This diode laser has been designed to delivery very high output power for the fiber laser market and for direct system manufacturers to with a more compact pump configuration. Various output powers are available. Custom wavelengths and configurations available upon request.
940nm wavelength;
20W output power;
105µm fiber core diameter;
0.22NA.
Laser pumping;
Medical use;
Material processing.
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
| Operating output power | Pout | 20.0 | - | - | W |
| Range of available wavelength | λ | 930 | 940 | 950 | nm |
| Spectral width @ FWHM | Δλ | - | 3.5 | 7.0 | nm |
| Threshold current | Ith | - | 0.5 | 0.9 | A |
| Operating current at Pout | IOP | - | 12.0 | 13.0 | A |
| Operating voltage at Pout | VOP | - | 3.65 | - | V |
| Power conversion efficiency | - | - | 45 | - | % |
| Wavelength temperature coefficient | Δλ/ΔT | - | 0.3 | - | nm/℃ |
| Slope efficiency | η | - | 2.5 | - | W/A |
| Fiber bend radius | r | 37.5 | - | - | mm |
| Fiber core diameter | DCOR | - | 105/125 | - | µm/µm |
| Fiber buffer diameter | DBUF | - | 250 | - | µm |
| Fiber numerical aperture | NA | - | 0.22 | - | - |
| Beam numerical aperture(95% power) | Lf | - | 0.17 | - | NA |
| Fiber length | Lf | - | 1.5 | - | m |
| Connector type | - | Null or SMA905 | - | ||
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.)
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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;
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A: We have 793nm 808nm 915nm 975nm laser diode.
Q: What is the requirement for the output power?A: Box optronics can customize according to your requirements.
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