Crossed-cylindrical microlenses were written in flat ophthalmic polymers using nano-joule high-repetition-rate femtosecond laser pulses with a design for 1 diopter cylindrical power. Twyman-Green interferometry shows the orthogonal parabolic phase regions.
© 2012 OSA
L. Xu, D. E. Savage, and W. H. Knox, "Crossed-cylindrical microlenses written in ophthalmic hydrogel polymers for customized vision correction," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FTu3A.6.
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