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envalope

2000nm Polarization Maintaining Fused Couplers Splitters

  • Wavelength: or Custom Wavelength 2050nm 2000nm 1950nm
  • Handling Power: 2W or Custom Handling Power
  • Fiber Type: Polarization Maintaining (PM) Panda Fiber
Product Details

  The 2000nm (2 micron, 2μm) 1×2, 2×2 Fused Polarization Maintaining (PM) Fiber Optic Coupler is built by using fused biconical taper (FBT) technology. It can be used to split the input signal at various ratios while preserving the polarization with high extinction ratio. High power handling up to 2W as normal and up to 5W or higher is available upon request.  
   
   
   
     
 
                                              Features                      
                                                    Low Excess Loss  
                                                    High Polarization Extinction Ratio (PER)  
                                                    high Power Handling  
                                                    Operating on both fast and slow axis  
                                                                                   
                                                    Applications                    
                                                    Fiber Amplifier  
                                                    Fiber Sensor  
                                                    Power Monitoring  
                                                    Fiber Laser  
                                                    Lab & Research  
                                                                                   
                                                                                   
  Performance Specification    
                                                                                   
  Parameter                  

Value

Unit  
  Configuration                   

1X2, 2X2

         
  Center Wavelength              

2000 or customized

nm  
  Bandwidth                    

±10

nm  
  Typ. Excess Loss                

0.5

dB  
  Max. Excess Loss                

0.8

dB  
          for CR10% Port        

20

dB  
  Min. PER for 10%CR5% Port    

18

dB  
          for CR5% Port        

16

dB  
  Max. Coupling Ratio Tolerance    

99/1±0.4%, 90/10±2.5%, 80/20±2.9%, 70/30±3.5%

   
  Min. Directivity                  

50

dB  
  Min. Return Loss                

50

dB  
  Max. Optical Power (Continuous Wave)  

2

W  
  Max. Tensile Load              

5

N  
  Fiber Type                    

PM Panda Fiber on Input & Output Port

   
  Operating Temperature            

-40 to +80

 
  Storage Temperature             

-50 to +85

 
  Package Dimension              

Φ3.0×L60 for bare fiber, and Φ3.0×L76 for 900um loose tube

mm  
                                                                                   
  Note    
  *  Test at center wavelength without connector. For devices with connectors, EL will be 0.3dB higher, and PER will be 2dB lower.  
  *  Both axis operating.  
  *  The PM fiber and the connector key are aligned to the slow axis.   
                                                                                   
                                                                                   
  Ordering Information    
                                                                                   
  FPMC-AAAA-BB-CC-DD-E-FF-GG-H                                                   
  AAAA     BB   CC     DD           E           FF       GG       H          
  Wavelength Port Coupling Ratio Fiber Type on Tap Port     Fiber Jacket   Fiber Length Connector   Working Axis  
           
  2000 - 2000nm 12 - 1X2 01 - 01/99 PM - PM Panda Fiber B - 250um Bare 05 - 0.5m   NE - None   B - Both Axis   
  SSSS - Specify 22 - 2X2 02 - 02/98 SS - Specify Fiber 08 - 0.8m   FA - FC/APC   Operating  
          04 - 04/96               L - 900um Loose 10 - 1.0m   FP - FC/PC      
          05 - 05/95               Tube 15 - 1.5m   SA - SC/APC      
                  10 - 10/90               C - 3.0mm Cable SS - Specify   SP - SC/PC              
                  20 - 20/80                                     LA-  LC/APC              
                  30 - 30/70                                     LP - LC/PC              
                  50 - 50/50                                     SS - Specify              
                  SS - Specify                                                          

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