保偏机械式衰减器pmmvoa-1315
:本公司生产的保偏产品种类繁多,有起偏器,准直器,分路器,衰减器,分束器,隔离器,环形器,合束器,耦合
器,旋转器,法拉第镜,波分复用器等等。波长范围从980nm到1550nm,按照客户要求还可以提供c-band,lband
等宽带器件。广泛应用于保偏光纤放大器,光纤激光器,高速通讯系统及实验用测试仪器及设备。具有宽带宽,
高回损,高消光比,环境稳定性强等特点
1. features:
low original loss
high extinction ratio
wide attenuation range
excellent environmental stability
and reliability
4. specifications:
type
parameter unit values
center wavelength nm 1310 & 1550 980 & 1060
operating wavelength range nm ±40 980±20 or 1060±30
max. original loss db 0.5 0.6 0.6 0.7
attenuation range db 0.5 ~ 60 0.6 ~ 50 0.6 ~ 60 0.7 ~ 50
extinction ratio (typical) db ≥20 (22) ≥20 (22)
return loss db ≥50 ≥50
adjustment precision db 0.02
power handling mw ≤500
tensile load n ≤5
fiber type / sm98-ps-u25a, sm13-ps-u25a or sm15-
ps-u25a
dimensions mm 26× 18× 8
operating temperature ℃ -5 to +70
storage temperature ℃ -40 to +85
*the specifications are w/o connector.
* for devices with connectors, 0.3db higher for il, 5db lower for
rl and 2db lower for er.
* for device with connector, key aligned to slow axis.