Mini MEMS 2-8 Channel Variable Optical Attenuator Array

  • Low Insertion Loss
  • High Reliability
  • Low Cost
  • Low power consumption
  • Super compact

Click 'Spec Sheet' for available configurations/part#


The MEMS series VOA is based on a micro-electro-mechanical mechanism featuring compact design, simple construction, easy direct drive, and excellent optical performance. The etMEMS™ series VOA is compliant with the Telcordia 1209 and 1221 reliability standards. The VOA is driven by directly applying an electrical voltage.


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2~8 Channel MEMS VOA array Specification Unit
Operating Wavelength 850~1310, 1260~1620 nm
Insertion Loss (without connector) 0.6 typ., 0.8 max. dB
Attenuation Dynamic Range 55 min. dB
Polarization Dependent Loss

(SM, 0~20dB)

0.1 max. dB
Extinction Ratio (PM) 18 min, 22 typ. dB
Return Loss SM, PM:  50 min. dB
MM:  35 min. dB
Wavelength Dependent Loss

(40 nm band, 0~20dB)

0.45 typ., 0.8 max. dB
Polarization Mode Dispersion ≤ 0.05 ps
Optical Cross Talk ≥ 65 dB
Attenuation Resolution Continuous dB
Response Time (0~20dB) 5 typ., 10 max. ms
Max. Power Consumption ≤ 170 [1] mW/Ch
Electric Power Input (DC) 5 V
Electrical Control Signal 0 ~ 4 V
Operating Temperature -20 ~ +75 oC
Storage Temperature -40 ~ +85 oC
Optical Power Handling (CW) 300 typ., 500 max. mW/ch
Relative Humidity Range 0 ~ 85 %

1.At the maximum attenuation 55 dB, typical 40 mW at 30 dB.