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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
RD
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----⑤⑤-⑥⑥-
①①: Wavelength : 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
: 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 : Fiber Length 
 3 - SC/UPC  0.8 - 0.8m
: Stage  4 - SC/APC  S - Specify
S - Single Stage  N - None
D - Dual Stage  S - Specify