Frequency voltage controlled light transmittance in ferroelectric liquid crystal cells Aleksey A. Kudreyko, Nail G. Migranov, Olga V. Bachurina and Song Wanqing Eur. Phys. J. E, 40 5 (2017) 58 Published online: 19 May 2017 DOI: 10.1140/epje/i2017-11548-x