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envalope

850±50nm Broadband Polarization Maintaining Optical Isolator

  • Wavelength: 830nm 810nm 850nm
  • Handling Power: or Custom Handling Power 500mW
  • Fiber Type: Polarization Maintaining (PM) Panda Fiber
Product Details

  The 850±50nm Broadband Polarization Maintaining (PM) Optical Fiber Isolator is an in-line miro-optic component allows light to be transmitted only in the forward direction while blocking the backward transmittion. It's built with PM Panda fiber and designed to maintain the polarization of the input light with high extinction ratio. The PM isolators are commonly used to protect lasers or amplifiers against back-reflected light.                          
   
   
   
   
                                                                                   
                                                              Features            
   
 
                                                          High Isolation            
                                                              High Extinction Ratio        
                                                              Low Insertion Loss        
                                                              Broadband              
                                                                                   
                                                              Applications          
                                                              Fiber Amplifier            
                                                              Fiber Laser              
                                                              Fiber Sensor            
                                                              Lab & Research          
                                                                                   
                                                                                   
                                                                                   
  Performance Specification    
                                                                                   
  Parameter                  

Value

Unit  
  Center Wavelength              

850 or customized

nm  
  Bandwidth                    

±50

nm  
  Typ. Peak Isolation                        

33

          dB  
  Min. Isolation at 23                      

25

          dB  
  Typ. Insertion Loss at 23                    

1.0

          dB  
  Max. Insertion Loss at -5 to 50          

1.3 @ 850±30nm, 1.7 @ 850±40nm, 2.0 @ 850±50nm

  dB  
  Min. Extinction Ratio                                

20

                  dB  
  Min. Return Loss                

50

dB  
  Max. Optical Power (Continuous Wave)  

500 (higher power available upon request)

mW  
  Max. Tensile Load              

5

N  
  Fiber Type              

PM 850 Panda Fiber on Input & Output Port

   
  Operating Temperature            

-5 to +50

 
  Storage Temperature             

-40 to +85

 
  Package Dimension              

Φ5.5×L35

mm  
                                                                                   
  Note    
  *  For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower and ER will be 2dB lower.  
  *  The PM fiber and the connector key are aligned to the slow axis.   
                                                                                   
                                                                                   
  Ordering Information    
                                                                                   
  BPMI-AAA-B-CC-DD-E                                                              
  AAA               B               CC                 DD             E          
  Wavelength         Fiber Jacket       Fiber Length           Connector       Working Axis  
                                 
  850 - 850nm         B - 250um Bare     05 - 0.5m             NE - None       F - Fast Axis   
  SSS - Specify         Fiber     08 - 0.8m             FA - FC/APC       Blocked  
                    L - 900um Loose     10 - 1.0m             FP - FC/PC       B - Both Axis  
                    Tube     15 - 1.5m             SA - SC/APC       Operating  
                                    SS - Specify             SP - SC/PC                  
                                                        LA-  LC/APC                  
                                                        LP - LC/PC                  
                                                        SS - Specify                  

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