We describe a variety of multilevel phase structures that can be used to generate Lohmann's array illuminators. We report several experimental verifications of the synthesis of such multilevel phase structures by using simple binary curves in a conventional optical processor.
© 1994 Optical Society of America
Original Manuscript: July 20, 1993
Revised Manuscript: January 3, 1994
Published: September 1, 1994
Victor Arrizón and J. Ojeda-Castañeda, "Multilevel phase gratings for array illuminators," Appl. Opt. 33, 5925-5931 (1994)