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envalope

1580, 1590, 1595, 1600, 1610, 1620nm PM Optical Isolators

  • Wavelength: 1590nm or Custom Wavelength
  • Handling Power: 300mW or Custom Handling Power
  • Fiber Type: Polarization Maintaining (PM) Panda Fiber
Product Details

The 1580, 1590, 1595, 1600, 1610, 1620 nm 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. High power1580, 1590, 1595, 1600, 1610, 1620 nm PM isolator availible upon request.                              
                                                                               
                                                    Features                    
                                                    High Isolation                  
                                                    High Extinction Ratio              
 
                                                  Telcordia Test Compliant          
                                                    High Power Available upon Request    
                                                                               
                                                    Applications                
                                                    Fiber Amplifier                  
                                                    Fiber Laser                    
                                                    Fiber Sensor                  
                                                    High Speed Optical Communications  
                                                    Instrumentations                
                                                                               
                                                                               
Performance Specification  
                                                                               
Parameter                    

Value

Unit
Center Wavelength              

1580, 1590, 1595, 1600, 1610, 1620 or customized

nm
Operating Wavelength            

1565-1625

nm
Stage                      

Single Stage

Dule Stage

       
Typ. Peak Isolation              

40

52

dB
Min. Isolation at 23            

24

40

dB
Typ. Insertion Loss at 23          

0.45

0.55

dB
Max. Insertion Loss at -5 to 50      

0.6

0.7 dB
Min. Extinction Ratio for Fast Axis Blocked Type             

22

                  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 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
                     
1580 - 1580nm     S - Single Stage   B - 250um Bare   05 - 0.5m       NE - None     F - Fast Axis 
1590 - 1590nm     D - Dual Stage   Fiber   08 - 0.8m       FA - FC/APC     Blocked
1595 - 1595nm                   L - 900um Loose   10 - 1.0m       FP - FC/PC     B - Both Axis
1600 - 1600nm                   Tube   15 - 1.5m       SA - SC/APC     Operating
1610 - 1610nm                                 SS - Specify       SP - SC/PC              
1620 - 1620nm                                               LA-  LC/APC              
SSSS - Specify                                               LP - LC/PC              
                                                        SS - Specify              

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