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envalope

930 940 nm Polarization Maintaining Optical Isolators

  • Handling Power: 500mW or Custom Handling Power
  • Fiber Type: Polarization Maintaining (PM) Panda Fiber
Product Details

  The 930 940nm 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. High power 930nm PM isolator availible upon request.                                
   
   
   
   
                                                                                   
                                                          Features                  
 
 
                                                      High Isolation                
                                                          High Extinction Ratio            
                                                          High Power Available upon Request  
                                                                                   
                                                          Applications              
                                                          Fiber Amplifier                
                                                          Fiber Laser                  
                                                          Fiber Sensor                
                                                          High Speed Optical Communications
                                                          Instrumentations              
                                                                                   
                                                                                   
  Performance Specification    
                                                                                   
  Parameter                    

Value

Unit  
  Center Wavelength              

930, 940 or customized

nm  
  Bandwidth                    

±15

nm  
  Typ. Isolation                            

30

          dB  
  Min. Isolation at 23                      

25

          dB  
  Typ. Insertion Loss at 23                    

0.8

          dB  
  Max. Insertion Loss at -5 to 50                

1.2

          dB  
  Min. Extinction Ratio                                

18

                  dB  
  Max. WDL                                      

0.3

                  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                 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.   
  *  Package dimension may change without notice, for details, please confirm before placing order.  
                                                                                   
                                                                                   
  Ordering Information    
                                                                                   
  PMI-AAA-B-CC-DD-E                                                              
  AAA               B               CC                 DD             E          
  Wavelength         Fiber Jacket       Fiber Length           Connector       Working Axis  
                                 
  930 - 930nm         B - 250um Bare     05 - 0.5m             NE - None       F - Fast Axis   
  940 - 940nm         Fiber     08 - 0.8m             FA - FC/APC       Blocked  
  SSS - Specify         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                  

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