Depth map sensor based on optical doped lens with multi-walled carbon nanotubes of liquid crystal Hui, Li ; Fan, Pan ; Yuntao, Wu ; Yanduo, Zhang ; Xiaolin, Xie Abstract Publication: Applied Optics Pub Date: January 2016 DOI: 10.1364/AO.55.000140 Bibcode: 2016ApOpt..55..140H