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Outstanding Performance

Variable Attenuator


The MOVA/COVA series are voltage driven optical variable attenuators based on MEMS (Micro-Electro Mechanical System) technology.

Variable Attenuator Product Line-Up

Model No. Features
COVA-1 Compact Optical Variable Attenuator
MOVA-1 MEMS Attenuator
MOVA-H Low Control Voltage High Speed MEMS Attenuator
PM-MOVA PM-MEMS Attenuator

Compact Optical Variable Attenuator

COVA-1

Control Voltage

COVA-1 is an Ultra-Compact optical variable attenuator based on electrostatic MEMS technology. Compared to our current MOVA-1, the COVA-1 has a 82% reduction in volume ratio. COVA-1 is excellent for high density integration in next generation small form factor packages.

  • Ultra-Compact Size
  • Bright / Dark Types Available
  • Low Power Consumption
  • Telcordia GR-1221 Qualified
  • Shock and Vibration Resistant Design
  • Minimum Fiber Bending Radius of 5 mm

 


MOVA-1
Cotrol Voltage [V]

MEMS Attenuator

MOVA-1

MOVA-1 is available in a range of specifications for many DWDM application. Optical properties are excellent with low polarization and wavelength dependence. Our tilting mirror design combined with laser welded packaging ensures reliable and stiction-free operation.

  • Low Loss, Low PDL, Low WDL
  • Low Power Consumption
  • Bright and Dark Type Available
  • Up to 1 Billion Cycle Durability
  • Telcordia GR-1221, GR-63 Qualified
  • Low Cost
  • RoHS Compliant

Wavelength Dependence Characteristics(typical)
Wavelength [nm] / Wavelength [nm]

MOVA-1 (English)




MOVA-H

Low Control Voltage High Speed MEMS Attenuator

MOVA-H

 

High Speed MEMS attenuator (MOVA-H) offers low voltage operation and low power consumption while maintaining high response speed.
MEMS-H optical performance is excellent with low polarization and wavelength dependence. Our tilting mirror design combined with laser welded packaging ensures reliable and stiction-free operation.

  • Low Control Voltage (<6V DC)
  • High Speed Response (<2ms)
  • Low Loss, Low PDL, Low WDL
  • Low Power Consumption
  • Bright and Dark Type Available
  • RoHS Compliant

PM-MOVA
Control Voltage

PMF MEMS Attenuator

MOVA-PM

MEMS with PMF (Polarization Maintaining Fiber) attenuator is available in a range of specifications for many DWDM application. Optical properties are excellent with high polarization extinction ratio and low wavelength dependence. Our tilting mirror design coupled with laser welded packaging ensures a reliable and stiction-free device.

  • Low Loss, Low WDL
  • Low Power Consumption
  • Bright and Dark Type Available
  • Up to 1 Billion Cycles Durability
  • Telcordia GR-1221, GR-63 Qualified
  • RoHS Compliant

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