CAT0223 REV01
Polarization Maintaining Fiber Variable Optical Attenuator
Features：
High precision & Wide attenuation range
Low Insertion Loss & High PER
High stability and reliability
Application：
Optical communication systems test
Fiber component test
Fiber Sensor
Specifications：
Parameter
Value
980, 1064,
Wavelength (nm)
Bandwidth (nm)
Attenuation Range (dB)
Original Loss
1310
±40
,1550
±40
780,850
±20
630
±20
520
±20
±20
0.8~40
≤0.8
0.6~40
≤0.6
0.6~40
≤0.6
1.0~40
≤0.8
1.5~40
≤1.5
1.5~40
≤1.5
PM460-
HP
Fiber
PM1310
≥20
PM1550
≥20
PM980
≥20
PM980
≥20
PM630
≥18
Extinction Ratio (dB)
Return Loss (dB)
≥18
≥50
Adjustment Precision (dB)
Operating Temperature
Storage Temperature
Dimension (mm)
0.02
-5~ +70
-40 ~ + 85
26*18*8
*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.
*The PM fiber and the connector key are aligned to the slow axis.
Package Dimension：
Ordering Information：
PMVOA
Wavelength
Adjustment Type
0
Fiber Type
Pigtail Type
Length
Connector
0780=780nm
0850=850nm
0980=980nm
1064=1064nm
1310=1310nm
1550=1550nm
0630=630nm
0520=520nm
1=Hand Adjustment
1=PM1310 1=250um bare H=0.5m
0=None
2=PM1550 fiber
8=0.8m
1=FC/UPC
2=FC/APC
3=SC/APC
4=SC/UPC
6=LC/UPC
7=LC/APC
S=Specify
3=PM980
4=PM850
2=900um
1=1.0m
S=Specify
loose tube
3=3mm loose
tube
4=2mm loose
tube
S=Specify
mar
k
et@acfiber.com