



DK Photonics 1550nm fiber laser light source adopts DFB semiconductor laser chip, single-mode optical fiber output, professionally designed driving circuit and TEC control to ensure laser safety and stability, which can provide desktop or modular packaging.
| Optical Parameter | Unit | Typical Values | Remark | |
| Center wavelength | nm | 1550 | 1535~1565nm Optional | |
| Wavelength accuracy | nm | ±0.5 | ||
| Operating mode | – | CW | Continuous wavelength | |
| Spectrum Linewidth | MHz | ≤0.5/≤1/≤3 | Default ≤3 | |
| Sideband Rejection Ratio | dB | >50 | ||
| Output Power | mW | 10/20/50/100/200/400/500 | Customized | |
| Power adjustment range | – | 10~100% | ||
| Short-term Stability (15 Minutes) | dB | ≤ ±0.02 | Equivalent ≤ ± 0.5% | |
| Long-term Stability (8 Hours) | dB | ≤ ±0.05 | Equivalent ≤ ± 1.2% | |
| Polarization state | – | random | linear polarization | |
| PER | dB | / | >23 | |
| Fiber Type | – | SMF-28e | PM1550 | |
| Optical Connector | – | FC/APC | ||
| Electrical and environmental parameters | Desktop | Module | ||||
| Control Mode | Touch screen/RS232 | RS232 | ||||
| Communication interface | DB9 female | ZH1.5-3 PIN | DB9 female | |||
| Power Supply | AC 100~240V , 30W | DC5V, 15W | ||||
| Optical power(mW) | 10/20/50/100/200/400 | 500 | 10/20/50/10 | 100/200 | 400/500 | |
| Dimensions | B1 | B2 | M15 | M20 | M21 | M31 |
| Heat dissipation method | built-in air cooling | contact heat dissipation | air cooling | |||
| Operation Temperature Range | -5~+35°C | |||||
| Operation Humidity Range | 0~70% | |||||
| ① | ② | ③ | ④ | ⑤ |
| FL | Operation Wavelength | Output power (mW) | Fiber Type | Package Type |
| 1550 | 10/20/50/100/200/400/500 | SM: SMF-28e
PM: PM1550 panda |
M15/M20/M21/M31: Module
B: Desktop |
If you need to customize other specifications, please provide detailed description for your requirement.