Chinese Optics Letters, 2016, 14 (9): 090604, Published Online: Aug. 3, 2018
Adaptive modulation system for liquid crystal phase modulator Download: 762次
Abstract
An adaptive modulation system for a liquid crystal (LC) phase modulator is demonstrated. The phase retardation may be modulated by resetting the driving voltage automatically by matching the measured and ideal transmittance of an LC cell sandwiched by crossed polarizers. By using this system, an LC phase modulator can get a low error function of 0.25% in a short modulation time, which is less than the 10% obtained using a conventional modulation method.
Bin Zhang, Shiyu Liu, Xianzhu Tang, Jian'gang Lu. Adaptive modulation system for liquid crystal phase modulator[J]. Chinese Optics Letters, 2016, 14(9): 090604.