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Polarization Maintaining Isolator

The Polarization Maintaining Isolator is characterized with low insertion loss, high isolation, high return loss, high extinction ratio and excellent environmental stability and reliability. It is ideal for polarization maintaining fiber amplifers, fiber
Description
Description
The Polarization Maintaining Isolator is characterized with low insertion loss, high isolation, high return loss, high extinction ratio and excellent environmental stability and reliability. It is ideal for polarization maintaining fiber amplifers, fiber lasers, high speed communication systems and instrumentation applications.
 


Specifications
Parameter Unit Single Stage Dual Stage
Grade P Grade A Grade P Grade A
Center Wavelength (λc) nm 1310, 1480 or 1550
Min. Extinction Ratio for F Type dB 25 23 25 23
Min. Extinction Ratio for B Type dB 20 18 20 18
Typ. Peak Isolation dB 42 40 58 55
Min. Isolation, λc ± 10 nm, 23   dB 30 28 48 45
Typ. Insertion Loss, λc ± 20 nm, 23 , all polarization states  dB 0.4 0.5 0.5 0.7
Max. Insertion Loss, λc ± 20 nm, all temperature, all  dB 0.55 0.7 0.65 0.9
Min. Return Loss (Input/Output) dB 55/50 55/50 55/50 55/50
Max. Optical Power (Continuous Wave) mW 300
Max. Tensile Load N 5
Fiber Type  - PM Panda Fiber
Operating Temperature -5 to +70
Storage Temperature -40 to +85
*Above specifications are for device without connector.
*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. And for F type, fast axis is blocked.
 

Package Dimensions

 

Ordering Information

PMI-①①---④④-⑤⑤-- 

①①: Wavelength
31 - 1310 nm
48 - 1480 nm
55 - 1550 nm
SS – Specify

: Stage
1 - Single stage
2 - Dual stage

: Grade 
P - P grade
A - A grade

④④: Connector Type
1 - FC/UPC
2 - FC/APC
3 - SC/UPC
4 - SC/APC
5 - LC/UPC
6 - LC/APC
N – None
S - Specify

⑤⑤: Fiber Jacket
B - 250 μm Panda fiber
L - 900 μm loose tube
 (white for SM, red for PM)
S - Specify

: Fiber Length
(fiber tolerance: +/-10cm)
0.85 - 0.85 m
1 – 1.0 m
S - Specify

: Working Axis
F - Fast axis blocked
B - Both axis working

  

 

Review

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