Fresnel zone lens suitable for dynamic focusing in OCT is designed based on optical characteristics of Twisted Nematic Liquid Crystal Spatial light Modulator (TN-LCSLM).

• 根据扭曲相液晶空间光调制器(TN-LCSLM)的光学特性，设计了适用于OCT动态聚焦的菲涅耳波带透镜。