Liquid Crystal Devices

BBN International supplies novel liquid crystal devices from Lightwaves 2020. Using the technique of a variable phase retarder the variable optical attenuator (VOA) is small, rugged and high performance.

Specification

• Variable phase retarder
• 0~30VAC @ 10KHz (0~5V with driver)
• Ø7.2mm
• >30dB attenuation
• S, C or L band
• Telcordia and GR-1221
• Single or 8 channel array (AVOA)
• Normal on or normal off
• <1.3dB insertion loss
• 200mW power consumption

Features

• AC or DC voltage control
• No moving parts
• Low power consumption
• Laser welded package
• No backlash
• Continuous attenuation control
• Wide operating wavelength range
• Low PDL and WDL
• High reliability
• Small

Benefits

• Ideal for PCB mounting
• Resists mechanical vibration
• Low cost
• Easily integrated
• Improves link performance
• Low real estate

Applications

• Channel balancing in DWDM systems
• Power equalisation in OADMs
• Gain-tilt adjustment in EDFAs
• Receiver protection
• Instrumentation

Other liquid crystal products

• LC polarisation controller
• Phase retarder

Other new products

• Mini polarimeter
• Thin film tunable filter
• Tunable ASE laser source

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From network access systems to connectors, for all your fibre-optic requirements, please contact us for help.