Digital fault-tolerant variable fiber-optic attenuator using liquid crystals

Research output: Contribution to journalArticlepeer-review

Abstract

A high-speed variable fiber-optic attenuator is introduced by using a digitally controlled multi-pixel liquid crystal device. A proof of concept attenuator is experimentally demonstrated using a 33-pixel ferroelectric liquid crystal (FLC) device. The attenuator gives a 26 dB dynamic range, a 0.18 dB polarization dependent loss, a 1.26 dB structure loss, and a 100 μs switching speed, all at 1319 nm. The attenuator features digital control, broadband operation, no moving parts, fault-tolerance, low loss, and low electric power consumption.

Original languageEnglish
Pages (from-to)101-106
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4046
DOIs
Publication statusPublished - 2000
Externally publishedYes
EventAdvanced in Optical Information Processing IX - Orlando, FL, USA
Duration: 25 Apr 200026 Apr 2000

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