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  Key Features:                                                                                                Application: 
 
♦Low insertion loss                                                                                          ♦EDFA&Raman ampfier 
♦High extinction ratio                                                                                        ♦Fiber instrument 
♦High isolation                                                                                                  ♦Fiber sensor 
♦High stability and reliability                                                                              ♦Laser 
Specification: 
  
    
        
            | 
             Parameter 
             | 
            
             980/1550 
             | 
            
             1480/1550 
             | 
         
        
            | 
             Isolator stage 
             | 
            
             Single stage 
             | 
            
             Dual stage 
             | 
            
             Single stage 
             | 
            
             Dual stage 
             | 
         
        
            | 
             Signal Wavelength   Range(mm) 
             | 
            
             1530-1565 
             | 
            
             1530-1565 
             | 
         
        
            | 
             Pump Wavelength   Range(nm) 
             | 
            
             960~990 
             | 
            
             1460~1490 
             | 
         
        
            | 
             Signal Tap Ratio (%) 
             | 
            
             1±0.2, 2±0.4, 5±1,   10±2,50 
             | 
         
        
            | 
             Typ.Signal Peak   Isolation(dB) 
             | 
            
             40 
             | 
            
             55 
             | 
            
             40 
             | 
            
             55 
             | 
         
        
            | 
             Signal Isolation at 23 ℃(dB) 
             | 
            
             ≥30 
             | 
            
             ≥48 
             | 
            
             ≥30 
             | 
            
             ≥48 
             | 
         
        
            | 
             Pump Insertion   Loss(dB) 
             | 
            
             ≤0.6 
             | 
            
             ≤0.6 
             | 
            
             ≤0.5 
             | 
            
             ≤0.5 
             | 
         
        
            | 
              
             
             
            Signal Insertion 
            Loss(dB) 
             | 
            
             Tap 1% 
             | 
            
             ≤1.1 
             | 
            
             ≤1.2 
             | 
         
        
            | 
             Tap   2% 
             | 
            
             ≤1.2 
             | 
            
             ≤1.3 
             | 
         
        
            | 
             Tap   5% 
             | 
            
             ≤1.3 
             | 
            
             ≤1.4 
             | 
         
        
            | 
             Tap   10% 
             | 
            
             ≤1.5 
             | 
            
             ≤1.6 
             | 
         
        
            | 
             Tap   50% 
             | 
            
             ≤4.2 
             | 
            
             ≤4.3 
             | 
         
        
            | 
              
            Extinction 
            Ratio (dB) 
             | 
            
             Type 1 
            (Fast axis blocked) 
             | 
            
             ≥22 
             | 
         
        
            | 
             Type   2 
             | 
            
             ≥20 
             | 
         
        
            | 
             Return Loss (dB) 
             | 
            
             ≥50 
             | 
         
        
            | 
             Directivity (dB) 
             | 
            
             ≥50 
             | 
         
        
            | 
             Fiber 
            Type 
             | 
            
             Common /Tap/Signal   Port 
             | 
            
             PM1550 
             | 
            
             PM1550 
             | 
         
        
            | 
             Pump   Port 
             | 
            
             HI1060 or PM 980 
             | 
            
             SMF-28e or PM 1550 
             | 
         
        
            | 
             Optical Power (mW) 
             | 
            
             ≤300 
             | 
         
        
            | 
             Operating Temperature(℃) 
             | 
            
             0 ~ +70 
             | 
         
        
            | 
             Storage Temperature(℃) 
             | 
            
             -40~ + 85 
             | 
         
        
            | 
             Package Dimension (mm) 
             | 
            
             Φ5.5x35 
             | 
         
        
            |   | 
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              | 
              | 
              | 
              | 
              | 
         
    
 
 For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. The default connector key is aligned to slow axis 
 Ordering Information 
    
        
            | 
             PMTIW 
            DM 
             | 
            
             Wavelength 
             | 
            
             Stage 
             | 
            
             Couplin 
            g Ratio 
             | 
            
             Working 
            axis 
             | 
            
             Pigtail Type 
             | 
            
             Fiber Type 
             | 
            
             Length 
             | 
            
             Connector 
             | 
         
        
            | 
               
             | 
            
             1550T/980R 
            1550T/1480R 
             | 
            
             S=Single 
            Stage 
            D=Dual 
            Stage 
             | 
            
             1% 
            2% 
            5% 
            10% 
             | 
            
             1=Fast Axis 
            Blocked 
            2=Both Axis 
            Working 
             | 
            
             250=250um 
            bare fiber 
            900=900um 
            loose tube 
             | 
            
             1=SMF-28e 
            4=HI1060 
            5=PM Fiber 
             | 
            
             0.8=0.8 
            m 
             | 
            
             NE=None 
            FC=FC/UPC 
            SC=SC/UPC 
            FA=FC/APC 
            SA=SC/APC 
            LC=LC/UPC 
            ST=ST/UPC 
            XX=Other 
             | 
         
    
 
  
 
 
   For drawings, technical data or samples configuration other than stated above, please feel free to contact us: 
 
                                                                             sales@lightwit.com.cn   
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