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       2000nm High Power Isolator/Filter Wavelength Division Multiplexer Hybrid 
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Features Applications
All Fiber Construction Fiber Optical Test Equipment
High Reliability Fiber Sensor
Outstanding Optical Performance Fiber Lasers
Cost Effective Optical Fiber Amplifier
High Power Handling Capability RD
Radar
 
Specifications
Parameters Unit  Values
Stage   Single Stage Dual Stage
Pass Band Wavelength Range nm 2000±50
Max. Insertion Loss@PC or CP dB 1.1 1.3
Typ. Insertion Loss@PC or CP dB 0.8 1.0
Min. Isolation, port 1 to port 3 (Forward Pump) or
port 3 to port 1 (Backward Pump), @2000±50 nm, 23
dB 18 32
Typ. Reflection Isolation(@1550~1650nm, 23) dB 30
Min. Reflection Isolation(@1550~1650nm, 23) dB 25
Reflection Band Wavelength Range nm 1550~1590
Typ. Insertion Loss@CR dB 0.6
Max. Insertion Loss@CR dB 0.8
Typ. Pass Isolation(@2000±50 nm,  23) dB 15
Min. Pass Isolation(@2000±50nm, 23) dB 12
Max. PDL  dB 0.15 0.20
Min. Return Loss dB 50
Max. Optical Power (CW) W 1, 3, 5 or Specify
Max. Tensile Load N 5
Fiber Type    SMF-28e 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, optical power is only 1W.
Package Dimensions 
Ordering Information 
AHPIWDM-①①①①---④④-⑤⑤⑤-⑥⑥⑥-
①①①①: Wavelength ④④: Handling Power ⑥⑥⑥: Fiber Jacket on Port 1, 2 & 3
2057 - 2000nm Pass 01 - 1W  B - 250um Bare Fiber
         /1570nm Reflect SS - Specify  L - 900um Loose Tube  
 S - Specify
: Pump Type ⑤⑤⑤: Connector Type on Port 1, 2 & 3
 F - Forward Pump 1 - FC/UPC : Fiber Length
 B - Backward Pump 2 - FC/APC   1 - 1.0m
3 - SC/UPC  S - Specify
: Stage 4 - SC/APC
 S - Single Stage N - None
 D - Dual Stage S - Specify