We explore the use of phase profiles with fractional power for tailoring modulation transfer functions with high focal depth at high pupil apertures. We present numerical simulations of the images that can be obtained with certain fractional-power profiles.
© 2004 Optical Society of America
Angel Sauceda and Jorge Ojeda-Castañeda, "High focal depth with fractional-power wave fronts," Opt. Lett. 29, 560-562 (2004)