We conjecture that the lateral shift invariance of an imaging system must be limited if axial imaging capability is desired. We develop shift-invariance and depth-resolution metrics and demonstrate the trade-off in simple representative systems.
© 2002 Optical Society of America
Andy Stein and George Barbastathis, "Axial Imaging Necessitates Loss of Lateral Shift Invariance," Appl. Opt. 41, 6055-6061 (2002)