单频窄线宽光纤激光器
Single Frequency Narrow-linewidth Fiber Laser
光源激光器采用窄线宽DFB激光器，结合高性能硬件驱动电路，使激光器保持窄线宽，低噪声高性能稳定输出。
〖规格参数Specification〗
参数 Parameter | 单位 Unit | 指标 Value |
中心波长范围 Center wavelength range | nm | 1540~1560 |
信号背景比 Signal background ratio | dB | > 60 |
光波模式 Light wave pattern | - | 单纵模, 连续波 Single longitudinal mode, continuous wave |
输出功率 Output power | mW | 10, 20 |
偏振态 Polarization | - | 线偏振 Linear polarization |
偏振消光比 Polarization extinction ratio | dB | > 23 |
偏振度 Polarization degree | - | 99% |
光谱线宽 Spectral linewidth | kHz | 3kHz |
频率不稳定度 Frequency instability | MHz | <20 (15min) <100 (长期) <20 (15min) <100 (for a long time) |
相对强度噪声@>3MHz Relative intensity noise@>3MHz | dB/Hz | <-110dB/Hz@ROF peak, <-120dB/Hz@1MHz |
dB | < -110 | |
功率不稳定性 @>3h Relative intensity noise@>3MHz | - | <1% |
输出光纤类型Phase noise@1-9.5KHzPower supply | - | SMF-28e 单模光纤或 保偏光纤 PM1550 SMF-28e Single fiber Or Polarization fiber PM1550 |
供电 Power supply | - | DC 5V 或 AC 220V DC 5V OR AC 220V |
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