TY  - RPRT
TI  - Pseudo-gray-scale halftone gratings for shearing and Hartmann wavefront sensors
AU  - Goldberg, Kenneth A.
PY  - 2021
DO  - 10.1364/ol.417408
UR  - https://www.osti.gov/biblio/1811507
ID  - 1811507
ER  -