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DBF Single Frequency  & Ultra narrow line width Fiber Laser

 

 

 

Characteristics

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Spectral Width <3KHz Seed light source
Max. coherent length 100KM. Acoustic sensing
Stable fiber DFB resonant cavity structure Hydrophone
High frequency stability , no skip mode Fiber distributed sensing
High side mode rejection ratio Coherent light communication
Aseismatic design  
Low relative intensity noise  
Model: SL-1550nm-DBF-xxx mW
Specifications Unit Typ. Remarks
Wavelength nm 1550  
Output power mW 10,20 Optional
Signal background ratio dB

>60

 
Beam mode - CW,Single Longitudinal Mode  
polarization - linear  
Polarization extinction ratio dB >23  
Polarize - 99%  
Spectral Linewidth <3KHz KHz 3  
Frequency unstability MHz

<20 (15min) <100 (long term)

 
RIN @>3MHz dB/Hz

<-110dB/Hz@ROF peak, <-120dB/Hz@1MHz

 
Phase noise @ 1-9.5Khz dB <-110  
Power stability @ >3hours - <1%  
Operating temperature -20 ~ +65  
Storage  temperature -40 ~ +85  
Power supply   DC5V or 110-220VAC  
Fiber mode Single mode fiber SMF-28e or polarization maintaining fiber PM1550
Size
260(W)〜320(D)〜120(H)
 
Warranty time One year  
Spectral Width    

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