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Polarization Maintaining Isolator
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Features Applications
High Isolation Optical Fiber Amplifier
Low Insertion Loss Fiber Optic Sensor 
Large Aperture Features Instrumentation
R&D
Fiber Lasers
Radar
           
Specifications
Parameters Unit Values
Stage   Single Stage Dual Stage
Center Wavelength (λc) nm 2000
Operating Wavelength Range nm ±50
Min. Isolation at 23℃ dB 18 32
Typ. Insertion Loss at 23℃ dB 0.8 1.0
Max. Insertion Loss at -5℃-70℃ dB 1.1 1.3
Min. Extinction Ratio(only for B type) dB 18
Min. Extinction Ratio(only for F type) dB 20
Min. Return Loss (Input/Output) dB 50/50
Max. Optical Power (CW) mW 500
Max. Tensile Load N 5
Fiber Type    PM 1550  Fiber , PM 1950 Fiber or Specify
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.
Package Dimensions
Ordering Information
APMI-①①-②-③-④-⑤⑤-⑥⑥-⑦
①①: Wavelength ④: Axis Alignment ⑥⑥: Fiber Jacket on Port 1 & 2
 20 - 2000nm  F - Fast Axis Blocked  B - 250um Fiber
SS - Specify   B - Both Axis Working  C - 3mm Loose Tube
 L - 900um Loose Tube
②: Fiber Type on Port 1 and 2 ⑤⑤: Connector Type on Port 1 & 2  S - Specify
 1 - PM 1550 Fiber  1 - FC/UPC
 2 - PM 1950 Fiber  2 - FC/APC ⑦: Fiber Length 
 3 - SC/UPC  0.8 - 0.8m
③: Stage  4 - SC/APC  S - Specify
S - Single Stage  N - None
D - Dual Stage  S - Specify