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
Parameter Unit Value Center wavelength range nm 1540~1560 Signal background ratio dB > 60 Light wave pattern - Single longitudinal mode, continuous wave Output power mW 10, 20 Polarization - Linear polarization Polarization extinction ratio dB > 23 Polarization degree - 99% Spectral linewidth kHz 3kHz Frequency instability MHz <20 (15min) <100 ( long time) Relative intensity noise@>3MHz dB/Hz <-110dB/Hz@ROF peak, <-120dB/Hz@1MHz Phase noise@1-9.5KHz dB < -110 Relative intensity noise@>3MHz - <1% Fiber - SMF-28e Single fiber Or Polarization fiber PM1550 Power supply DC 5V OR AC 220V
Dimension




ordering information
Wavelength Power Pigtail type Diameter of pigtail casing Fiber length Connector Packaging 1550=1550nm 10=10mW 100=100mW SM=Single fiber PM=Polarization fiber 9-0.9mm 2-2mm 0=Flange 1 =1m 2 =2m 0=None 1=FC/APC 2=FC/UPC B=Benchtop M=Module