We present a method for designing diffusers that, when illuminated by a converging beam, produce a specified intensity along the optical axis. Using this method we fabricate a diffuser for extending the depth of focus.
© 2006 Optical Society of America
E. E. García-Guerrero, E. R. Méndez, H. M. Escamilla, T. A. Leskova, and A. A. Maradudin, "Random Phase Diffusers for Extending the Depth of Focus," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2006), paper JSuA33.