Features
Spectral linewidth ≤3KHz，High frequency stability,no mode hopping
Applications
Laser seed source，Acoustic sensor,hydrophone
Single Frequency Narrow-linewidth Fiber Laser
The source laser adopts a narrow line-width DFB laser,combined with a high-performance current sweep hardware drive circuit,so that the laser keeps a narrow line-width,low noise,high performance and stable output.
Features
Narrow-linewidth 3kHz
All-fiber resonator structure
High frequency stability,no mode hopping
Module shockproof design
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 相位噪声@1-9.5KHz Phase noise@1-9.5KHz 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
Dimension
ordering information
波长 Wavelength 功率 Power 尾纤类型 Pigtail type 尾纤套管直径 Diameter of pigtail casing 尾纤长度 Fiber length 连接头形式 Connector 封装形式 Packaging 1550=1550nm 10=10mW 100=100mW SM=单模光纤 SM=Single fiber PM=保偏光纤 PM=Polarization fiber 9-0.9mm 2-2mm 0=法兰 0=Flange 1 =1m 2 =2m 0=None 1=FC/APC 2=FC/UPC B=台式 B=Benchtop M=模块式 M=Module
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