Pupil coding masks for imaging polychromatic scenes with high resolution and extended depth of field.
An algorithm for the design of imaging systems with circular symmetry that exhibit high resolution as well as extended depth of field for polychromatic incoherent illumination is presented. The approach provides a significant improvement over a publication [1] where the design was carried for a single wavelength. The approach is based on searching for a binary phase pupil mask that provides imaging with the highest cut-off spatial frequency, while assuring a desired contrast value over a given depth of field. Simulations followed by experimental results are provided.
Milgrom
Benjamin
B
Faculty of Engineering, Tel Aviv University, 69978 Tel Aviv, Israel. milgormb@gmail.com
Konforti
Naim
N
Golub
Michael A
MA
Marom
Emanuel
E