Wideband, 50 dB attenuation range liquid crystal based variable optical attenuator

Author: J.J. Pan, Feng Qing Zhou, Haiming Wu, Xiangdong Qiu, Ruby Chen, Yousheng Wu, Henry He, Eric Zhang, Chumeng Wu

Publication: Printed in OECC2003 Paper, Vol 23, Supplement 239, Paper No. 0253-2239 (2003) 16B3-4, Oct. 2003

Abstract: A compact variable optical attenuator, covering C and L bands with over 50dB attenuation range, is realized using a single liquid crystal cell with a tilted fused silica coating compensating the cell's small residual birefringence.