A full range of polarization-maintaining components are available with customization options
Updated at Jul 10th 2026 Views 283
Recently, our company has shipped a large volume of polarization-maintaining (PM) optical products, including PM optical switches, PM attenuators, PM circulators, PM WDMs, PM splitters, PM couplers, PM beam splitters/combiners, PM isolators, PM patch cords, and other PM series components.
The parameters of the PM MEMS VOA are as follows:
|
Parameters |
unit |
Value |
|
Attenuation type |
|
Bright or Dark |
|
Working wavelength |
nm |
1550 |
|
Attenuation range |
dB |
≥30 |
|
Extinction ratio |
dB |
≥18 |
|
Response time |
ms |
≤8 |
|
Insertion loss |
dB |
≤0.7 |
|
Wavelength dependent loss |
dB |
≤0.25 @0V |
|
Return loss |
dB |
≥45 |
|
Drive power supply |
V |
≤6.5 |
|
Maximum optical power |
mW |
≤500 |
|
Working temperature |
°C |
-20 ~ +85 |
|
Storage temperature |
°C |
-40 ~ +85 |
|
Package size |
mm |
Φ5.5 × 19 |

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