Simion Astilean, Philippe Lalanne, Pierre Chavel, Edmond Cambril, Huguette Launois. High-efficiency subwavelength diffractive element patterned in a high-refractive-index material for 633 nm.
Optics Letters, Optical Society of America, 1998, 23 (7), pp.552-554.
〈10.1364/OL.23.000552〉.
〈hal-00877412〉