Features
Spectral linewidth＜300kHz，High side mode rejection ratio，High frequency stability,no mode hopping
Applications
Gas detection，Coherent optical communication，Optical fiber hydrophone
The 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.The laser scanning frequency can reach 100KHz,the optical sweep range is great than 10GHz,and the output power is greater than 100Mw.
Features
Spectral linewidth≤300kHz
High side mode rejection ratio
High frequency stability,no mode hopping
Low relative intensity noise
Specification
参数指标 Parameter 单位 Unit 数值 Value 中心波长范围 Center wavelength range nm 1556.21 信噪比 Signal to noise ratio dB > 45 输出功率 Output power mW >50 扫描频率 Sweep frequency KHz 100 光学扫频范围 Optical sweep range GHz > 10 光谱线宽 Spectral line width 300kHz 输出光纤类型 Type of output optical fiber SMF-28e 供电电压 Power supply voltage VDC 5 220 产品尺寸 Size mm 150x125x30（模块） 150x125x30（Module） 260×285×115（台式） 260×285×115（Benchtop）
Dimension
ordering information
SDFB– 1556.21-100-SMF-
波长（nm）Wavelength（nm） 输出功率（mW）Output power（mW） 输出光纤 Output fiber 连接头形式 Connector 封装形式 Packaging 1556.21 30 50 100 SMF：单模光纤随机偏振输出 SMF：Random polarization output of single-mode fiber PMF:保偏光纤，线偏输出 PMF:Polarization-maintaining fiber，Line partial output 1=FC/APC 2=FC/PC B=台式 B=Benchtop M=模块 M=Module
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