1x2(2x2) Mini Size PM Filter Coupler
Features：
Low Insertion Loss
High Extinction Ratio
High Isolation
High Stability and Reliability
Application：
EDFA
Fiber Optical Instrument
Power Monitoring
Fiber Sensor
Specifications：
Parameter
1 x 2
2 x 2
Wavelength (nm)
1310, 1550
1310, 1550
Operating Bandwidth (nm)
±40
±40
Excess Loss (dB)
≤0.7
≤0.4
≤1.0
≤0.6
Uniformity(only for 50/50) (dB)
Coupling Ratio (%)
1-50%
Extinction Ratio(dB)
Return Loss (dB)
≥20
≥18
≥50
Power Handling (mW)
Tap port 2(only for 1x2)
≤300
SMF-28e or PM1310 for 1310nm；SMF-28e or PM1550 for 1550nm；
PM1310 for 1310nm；PM1550 for 1550nm；
Fiber
Type
Tap port 2&4(only for 2x2)
Port 1 & 3
PM1310 for 1310nm；PM1550 for 1550nm；
Operating Temperature (°C)
Storage Temperature(°C)
Accidence Axis
-5~+70
-40 ~ +80
Slow Axis working, Fast Axis Working
Dimensions (mm)
Φ3.0 × L25
(only for bare fiber )
*Above specifications are for devices without the connectors.
*For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower, and ER will be 2dB lower.
Ordering Information：
PMFC Wavelength
Port
Type
Couplig Axis
Ratio
Fiber for tap Pigtail
Alignment port Type
Length
Connector
1310=1310 nm 1=1x2 1=1/99
B=Both
Axis
Working
1=Panda
fiber
2=SMF-28e
1=250um
bare fiber
H=0.5m
8=0.8m
1=1.0m
5=1.5m
2=2.0m
0=None
1550=1550
nm
2=2x2 2=2/98
3=3/97
1=FC/UPC
2=FC/APC
3=SC/APC
4=SC/UPC
4=4/96
5=5/95
A=10/90
B=20/80
C=30/70
D=40/60
E=50/50
S=Specify 6=LC/UPC
7=LC/APC
S=Specify
mar
k
et@acfiber.com