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envalope

780 790 nm Polarization Maintaining Optical Isolator

  • Wavelength: 780nm 793nm
  • Handling Power: 300mW 500mW or Custom Handling Power
  • Fiber Type: Polarization Maintaining (PM) Panda Fiber
Product Details

The 780, 790 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. High power 780, 790 nm 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              

780, 790 or customized

nm
Bandwidth                    

±5

nm
Typ. Peak Isolation                        

30-35

          dB
Min. Isolation at 23                      

25

          dB
Typ. Insertion Loss at 23                    

0.6

          dB
Max. Insertion Loss at -5 to 50                

1.0

          dB
Min. Extinction Ratio for Fast Axis Blocked Type             

22

                  dB
Min. Extinction Ratio for Both Axes Working Type                   

20

                  dB
Min. Return Loss                

50

dB
Max. Optical Power (Continuous Wave)  

300 (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 size may change without notice.
                                                                               
                                                                               
Ordering Information  
                                                                               
PMI-AAA-BB-C-DD-EE-F                                                          
AAA           BB               C             DD         EE         F        
Wavelength     Fiber Type         Fiber Jacket     Fiber Length   Connector   Working Axis
                   
780 - 780nm     P8 - PM 850           B - 250um Bare   05 - 0.5m     NE - None   F - Fast Axis 
790 - 790nm     SS - Specify           Fiber   08 - 0.8m     FA - FC/APC   Blocked
SSS - Specify                       L - 900um Loose   10 - 1.0m     FP - FC/PC   B - Both Axes
                          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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