Abstract
The spatial filters employed to increase the focal depth of an optical system are interpreted as the Fourier spectra of certain objects, which will then exhibit relatively low variance to focus errors. This interpretation is applied to designing grating profiles that produce self-images with high focal depth.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
