四川梓冠光电单频窄线宽光纤激光器低噪声稳定输出
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面议
单频窄线宽光纤激光器
光源激光器采用窄线宽DFB激光器,结合硬件驱动电路,使激光器保持窄线宽,低噪声稳定输出。
〖特性Features〗
n 线宽窄(3KHz)
Narrow-linewidth 3kHz
n 全光纤谐振腔结构
All-fiber resonator structure
n 高频率稳定性,无跳模
High frequency stability,no mode hopping
n 模块防震设计
Module shockproof design
〖应用Applications〗
n 激光种子源
Laser seed source
n 声学传感、水听器
coustic sensor,hydrophone
n 光纤分布式传感
Fiber distributed sensing
n 相干光通信
Coherent optical communication
〖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 |