The Center for Freeform Optics
An Industry/University Cooperative Research Center

Measuring wavefront by optical differentiation with binary pixelated filters

Jie Qiao and Christophe Dorrer

in OSA Technical Digest (online) (Optical Society of America, 2017) paper ITu4E.3.

We review the performance and applications of an optical differentiation wavefront sensor based on binary pixelated filters that synthesize a continuous linear field transmission profile yielding the wavefront slope in the transmission gradient direction.