Single frequency narrow linewidth fiber laser adopts rare earth-doped fiber DFB laser cavity structure, output wavelength 1550nm single longitudinal mode laser, spectral linewidth is less than 3kHz, output spectral side mode suppression ratio exceeds 60dB, can provide module or desktop package, it is distributed Ideal laser source for applications such as sensing.
| Optical Parameter | Unit | Typical Values | Remark |
| Wavelength tuning range | nm | 1550±0.5 | 1545~1560nm customized |
| Spectral linewidth | kHz | ≤3 | **3dB linewidth/20dB linewidth/20 |
| Wavelength instability | MHz | ≤±25 | |
| Side mode suppression ratio | dB | ≥60 | |
| Output power | mW | 50/100/200/500 | |
| Short-term Stability (15 Minutes) | dB | ≤ ±0.02 | Equivalent ≤ ± 0.5% |
| Long-term Stability (8 Hours) | dB | ≤ ±0.05 | Equivalent ≤ ± 1.2% |
| Fiber Type | – | SMF-28 / PM1550 Panda | |
| Optical Connector | – | FC/APC |
| Electrical and environmental parameters | Desktop | Module |
| Control Mode | Button /RS232 | RS232 |
| Communication Interface | * Optional: DB9 Female | DB9 Female |
| Power Supply | 100~240V AC, <30W | 5V DC, <15W |
| Dimensions | 260(W)×280(D)×120(H)mm | 125(W)×150(D)×31.5(H)mm |
| Operation Temperature Range | -5~+35°C | |
| Operation Humidity Range | 0~70% | |
| ① | ② | ③ | ④ | ⑤ |
| NLFL | Wavelength | Output power (mW) | Fiber Type | Package Type |
| 1550:1550nm | 50/100/200/500 | SM: SMF-28e
PM: PM1550 panda |
M: Module
B: Desktop |
If you need to customize other specifications, please provide detailed description for your requirement.
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