Variable optical null based on a yawing CGH for measuring steep acylindrical surface Peng, Junzheng ; Chen, Dingfu ; Guo, Hongwei ; Zhong, Jingang ; Yu, Yingjie Abstract Publication: Optics Express Pub Date: August 2018 DOI: 10.1364/OE.26.020306 Bibcode: 2018OExpr..2620306P