In-line Polarizer 

Features 

Applications 

         Low Insertion Loss 

         Communication Systems 

         High Return Loss 

         Test Instrument 

         High Extinction Ratio  

         Fiber Sensor 

         High Reliability 

         Research 

         High Stability 

Specifications 

Parameters 

Unit 

Value 

Center Wavelength 

nm 

1550 

1310 

1064 

980 

850 

Operating Wavelength Range 

nm 

±50 

±50 

±30 

±10 

±10 

Typ. Insertion Loss at 23℃  

dB 

0.3 

0.3 

0.4 

0.7 

0.8 

Max. Insertion Loss at 23℃ 

dB 

0.5 

0.5 

0.6 

0.9 

1.0  

Min. Return Loss  

dB 

50 

50 

50 

50 

50 

Typ. Extinction Ratio at 23℃ 

dB 

30 

30 

30 

28 

28 

Min. Extinction Ratio at 23℃ 

dB 

28 

28 

28 

25 

25 

Max. Optical Power(CW) 

mW 

300 

Max. Tensile Load 

N 

5 

Fiber Type 

- 

PM1550 

PM1310 

PM980 

PM980 

PM850 

SMF-28E 

SMF-28E 

Hi1060 

Hi1060 

SM800 

Operating Temperature  

℃ 

-5~+70 

Storage Temperature  

℃ 

-40~+85 

For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. 

The default connector key is aligned to slow axis. 

Package Dimensions 

Ordering Information 

    ILP-1111-23456-77 

1111 

-Center Wavelength: 

1550=1550nm,1310=1310nm,......,0850=850nm 

2 

-Fiber Type for Input: 

0=PM Panda fiber, 1=SMF-28E, 2=Hi1060, S=Specified 

3 

-Fiber Type for Output: 

0=PM Panda fiber, 1=SMF-28E, 2=Hi1060, S=Specified 

4 

-Axis Alignment for PM: 

F=Slow axis working, Fast axis blocked, S=Fast axis working, Slow axis blocked 

5 

-Pigtail Type: 

0=250μm bare fiber, 1=900μm loose tube 

6 

-Fiber Length: 

0=0.8m,1=1m 

77 

-Connector Type: 

0=FC/UPC,1=FC/APC,2=SC/UPC,3=SC/APC,4=LC/UPC,5=LC/APC