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envalope

2000nm Polarization Maintaining Optical Isolator

  • Wavelength: 1950nm 2000nm 2050nm
  • Handling Power: 300mW 500mW 1W 2W or Custom Handling Power
  • Fiber Type: Polarization Maintaining (PM) Panda Fiber
Product Details

  The 2000nm (2 micron, 2μm) 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. Dual stage isolator means two singe stage isolators are packaged into one compact housing. It's ideal for eye safe 2μm fiber laser systems.                            
 
 
 
 
 
                                                                                 
                                                      Features                  
                                                      High Isolation
                                                      High Extinction Ratio
 
 
                                                  Telcordia Test Compliant
                                                      High Power Available upon Request
                                                                                 
                                                      Applications                
                                                      Fiber Amplifier
                                                      Fiber Laser
                                                      Fiber Sensor
                                                      Instrumentations
                                                                                 
                                                                                 
                                                                                 
  Performance Specification  
                                                                                 
  Parameter                  

Value

Unit
  Center Wavelength              

2000 or customized

nm
  Bandwidth                    

±50

nm
  Stage                      

Single Stage

Dule Stage

       
  Min. Isolation at 23            

20

35

dB
  Typ. Insertion Loss at 23          

1.0

1.2

dB
  Max. Insertion Loss at -5 to 50      

1.2

1.5

dB
  Min. Extinction Ratio for Fast Axis Blocked Type       

 

   

18

                  dB
  Min. Extinction Ratio for Both Axis Working Type             

20

                  dB
  Min. Return Loss                

55

dB
  Max. Optical Power (Continuous Wave)  

300 (higher power available upon request)

mW
  Max. Tensile Load              

5

N
  Fiber Type              

PM 1550 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  
                                                                                 
  PMI-AAAA-B-C-DD-EE-F                                                         
  AAAA         B             C             DD           EE           F        
  Wavelength     Stage     Fiber Jacket     Fiber Length     Connector       Working Axis
                       
  2000 - 2000nm     S - Single Stage   B - 250um Bare   05 - 0.5m       NE - None     F - Fast Axis 
  SSSS - Specify     D - Dual Stage   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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