Lightwaves2020 Variable Optical Attenuators

2 Channel Variable Optical Attenuator (VOA) & Photodiode Hybrid Module

2 Channel VOA and Photodiode Integrated Module

  • Real time optical power adjustment
  • Continuous tuning without moving parts
  • High precise optical power control
  • Low insertion loss
  • Wide dynamic range
  • RS232 interface
  • Low cost

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High Speed VOA

High Speed VOA

The Lightwaves2020’s high-speed Variable Optical Attenuator (VOA) is based on novel optical material offering fast response in µs, in contrast with conventional LC-based VOA with speed in ms. The dramatic increase in response speed enables the new VOA suitable for demanding 40Gbs applications. An optional driver-PCB, on which the VOA is mounted, is provided. The device is driven by 0-5VDC voltage to produce required optical power attenuation and switching.

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Liquid Crystal Based 16-Channel VOA Array

Liquid Crystal Based 16-Channel VOA Array

  • Small footprint
  • Built-in driver
  • Continuous tuning without moving parts
  • Resistant to mechanical vibration
  • Wide operating wavelength range
  • Low PDL, WDL
  • Slow tuning slope without backlash and historic
  • Low cost

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Liquid Crystal Based 8 Channel VOA Array With Driver

Liquid Crystal Based 8 Channel VOA Array With Driver

  • Small footprint
  • No moving parts
  • Continuous tuning
  • High precise optical power control
  • Low insertion loss
  • Wide dynamic range
  • Built-in driver
  • Low power consumption
  • Low cost

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Liquid Crystal Based 8-Channel VOA Without Driver

Liquid Crystal Based 8-Channel VOA Without Driver

  • Small footprint
  • No moving parts
  • Continuous tuning
  • High precise optical power control
  • Low insertion loss
  • Wide dynamic range
  • Low power consumption
  • Low cost

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Electronic Liquid Crystal Based Mini Variable Optical Attenuator (VOA)

Liquid Crystal Based VOA

Lightwaves2020's liquid crystal based variable optical attenuator array (AVOA) is a voltage-controlled module designed specifically for power management in optical networks. Each device in the module has a dynamic range of up to 40dB attenuation and operates in the C-band, L-band or C+L band.
Eight VOAs packaged in small footprint make it ideal for integration onto circuit boards and for saving space. The module is driven by a 0-5VDC voltage using a easy-to-plug 12 pin electric interface connector.
As with all Lightwaves2020's products, the VOA conforms to Telcordia requirements.

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Liquid Crystal Based VOA for Open Loop Applications

Liquid Crystal Based VOA for Open Loop Applications

Lightwaves2020's liquid crystal based variable optical attenuator (VOA) is a voltage-controlled device designed specifically for power management in optical networks. The device has a dynamic range of up to 20dB attenuation and operates in the C-band, L-band or C+L band with low temperature dependence. This VOA is specially designed for the use in open loop applications.

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Electronic Liquid Crystal Wideband Variable Optical Attenuator (VOA)

Liquid Crystal Based Wideband VOA

Lightwaves2020’s liquid crystal based variable optical attenuator (VOA) is a voltage-controlled device designed specifically for power management in optical networks. The device has a dynamic range of up to 40dB attenuation and wide operating band of wavelength from 1260nm to 1620nm. Sealed in a compact coaxial package 7.2mm in diameter, the VOA’s small footprint makes it ideal for integration onto circuit board. In addition, it offers the benefits of no moving parts, precision attenuation control without backlash, small driving voltage, low insertion loss and low cost. The VOA is driven by either a 0 ~ 40V peak to peak 10KHz square wave or by a 0 ~ 5VDC voltage using Lightwaves2020’s easy-to plug driver board. The VOA can be used for pre-emphasis of DWDM laser signals in long haul systems, power equalisation in optical add/drop modules and optical cross-connects, as well as gain-tilt adjustment in EDFA. As with all Lightwaves2020’s products, this wide-band VOA conforms to Telcordia requirements.

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