Features
     
     Low Insertion Loss 
     High Return Loss 
     High Extinction Ratio 
     High Reliability 
     High Stability
     
     
     Applications
     
     Fiber Optical Current Transducer 
     Fiber Sensor 
     Optical Fiber Gyro 
     Coherent Telecommunication Systems
     
     
     
     
    Package Dimensions
     
    
    Routing path is from port 3 to 1,2, Here are three options of polarized state from Port 3 to Port 1 & 2:
     
        Option 1: SM to PM, 
                   Port 3, Circularly polarized light in, 
                   Port 1: 50%,Linear polarized light out, through slow axis, Port 2: 50%,Linear polarized light out, through slow axis 
    Option 2: PM to PM, port 3 is slow axis 0° aligned to port 1 
               1.Port 3, Linearly polarized light in, through slow axis, 
                Port 1: 100%,Linear polarized light out, through slow axis, Port 2: 0% 
               2.Port 3,Linearly polarized light in, through fast axis,
                Port 1: 0%, Port 2: 100%,Linear polarized light out, through slow axis 
         Option 3: PM to PM,port 3 is slow axis 45° aligned to port 1 
               1.Port 3, Linearly polarized light in, through slow axis, 
               Port 1: 50%,Linear polarized light out, through slow axis, Port 2: 50%,Linear polarized light out, through slow axis 
              2.Port 3, Linearly polarized light in, through fast axis, 
              Port 1: 50%,Linear polarized light out, through slow axis, Port 2: 50%,Linear polarized light out, through slow  axis
           
     
    PM Hybrid Isolator IPBC Specifications
    
     
     
    Ordering Information
     
    PBS-1111-23-444-555-678-999
     
      	  		  			| 2 |   			  			 Fiber Type for Port 3:   			 |   			  			 001=PM1550, 002=PM1310, 003=PM980, 004=Hi1060, 008=SMF-28E   			 |   		
  		  			| 3 |   			  			 Grade:   			 |   			  			 P=Perfect grade, A=A grade   			 |   		
  		  			| 444 |   			-Pigtail Type |   			  			 0=250μm bare fiber, 1=900μm loose tube   			 |   		
  		  			| 555 |   			-Fiber Length |   			0=0.8m,1=1m |   		
  		  			| 6 |   			  			 Option for Port 3 to 1,2:   			 |   			  			 1=Option 1, 2=Option 2, 3=Option 3   			 |   		
  	  
      	  		  			|   			       			7     			    			 |   			  			 Package Dimension:   			 |   			  			 0=φ5.5x35mm, 1=φ5.5x50mm, S=Specified   			 |   		
  		  			|   			       			8     			    			 |   			  			       			Fiber Type for Port 1.2:     			    			 |   			  			 001=PM1550, 002=PM1310, 003=PM980, 004=Hi1060, 008=SMF-28E   			 |   		
  		  			|   			       			999     			    			 |   			  			 Connector for In&Out:   			 |   			  			 0=FC/UPC,1=FC/APC,2=SC/UPC,3=SC/APC,4=LC/UPC,5=LC/APC, N=None   			 |