

DK Photonics Erbium-doped Fiber Amplifier for Narrow-Linewidth Pulse Laser is a fiber amplifier specifically designed for narrow linewidth single frequency nanosecond pulses. The spectral linewidth of the input laser pulse can be as low as kHz, effectively suppressing nonlinear effects while achieving high pulse energy output. It can be used for single-mode or polarization maintaining fiber output. It can be used for applications such as distributed sensing and Doppler lidar.
| Optical Parameter | Unit | Typical Values | Remark |
| Wavelength Range | nm | 1540~1560 | |
| Pulse width | ns | 10~200 | |
| Pulse frequency | kHz | 5~20 | |
| Input pulse peak power | mW | 10~50 | |
| Output pulse peak power | W | 10~100 | |
| Output single pulse energy of light | uJ | 10~20 | @200ns,10kHz |
| Input/output Isolation | dB | ≥35 | |
| Fiber Type | – | SMF-28e/ PM1550 | 1.0m length |
| Optical Connector | – | FC/APC | only for low power test |
| Working mode | – | ACC | *Note 1 |
| Electrical and environmental parameters | Desktop | Module |
| Control Mode | Touch screen/ RS232 | RS232 |
| Communication Interface | DB9 Female | DB9 Female |
| Power Supply | 100~240V AC, ≤15W | 12V DC, ≤15W |
| Dimensions(mm) | 255(W)×285(D)×115(H)
255(W)×322(D)×115(H) |
125(W)×150(D)×21.5(H)
125(W)×150(D)×31.5(H) |
| Operation Temperature Range | -5~+35°C | |
| Operation Humidity Range | 0~70% | |
*Note 1:
When you inquire, please provide the correct P/N number according to our ordering information, and attach the appropriate description would be better.
| ① | ② | ③ | ④ | ⑤ | ⑥ |
| EDFA | Amplifier type | Operation Wavelength | Peak power (W) | Fiber Type | Package Type |
| SFPL: Single frequency pulse | 1550: 1550nm | 50: 50W
100: 100W |
SM: SMF-28e
PM: PM1550 |
M: Module
B: Desktop |
If you need to customize other specifications, please provide detailed description for your requirement.