etMEMS™ Mini Variable Optical Attenuator

The etMEMS™ Series VOA is based on a patented micro-electro-mechanical mechanism featuring compact design, high reliability, direct drive, and excellent optical performance. The MM series VOA is compliant with the Telcordia 1209 and 1221 reliability standards.

The VOA is available in either normally-open or normally-closed configurations. The VOA is driven by applying an electrical voltage.

  • Compact
  • Low Cost
  • High Reliability
  • Low IL, PDL, WDL & TDL
  • Low Power Consumption


  • Power Control
  • Power Regulate
  • Channel Balance
  • Instrumentation
etMEMSTM Series VOAMinTypicalMaxUnit
Wavelength  1310±50 / 1480±50  / 1550±50nm
Insertion Loss10.50.8dB
Attenuation Range2530dB
Polarization Dependent Loss@10dB0.150.3dB
Wavelength Dependent Loss@10dB0.20.4dB
Temperature Dependent Loss2@10dB0.40.7dB
Attenuation ResolutionContinuous
Polarization Mode Dispersion0.010.05ps
Return Loss45dB
Response Time36ms
Driving Voltage34.55.2⁴V
Device Resistance100ohm
Power Consumption380130mW
Optical Power Handling300500mW
Operating Temperature-575oC
Storage Temperature-4085oC
Reliability          Telcordia 1209 and 1221
Fiber TypeCorning SMF28 or equivalent
1.      Excluding connectors
2.   Reference to room temperature
3.     For full dynamic range. Other drive voltages available
4. Over this value will damage the device
MM VOA PigtailMinTypicalMaxUnit
Insertion Loss10.20.4dB
Attenuation Range25dB
Attenuation ResolutionContinuous
Return Loss230dB
Response Time25ms
Driving voltage245V
Power consumption280130mW
Optical Power Handling1015dBm
Operating Temperature-575oC
Storage Temperature-4085oC
Fiber Type0.9mm, UL94 V-0 Hytrel Yellow, SM28e, Tight Buffered fiber
Fiber Length1.11.31.5m
Package DimensionSee drawing belowmm
1.      Excluding connectors
2.     For full dynamic range.
3.   No voltage applied at room temperature
P/N: N/A