@inproceedings{inproceedings8154c8de,
title   = {Speckle-free non-periodic Fresnel phase plates for beam shaping and optical interconnects},
author = {Gonçalves Neto, Luiz and Sheng, Yunlong and Galmiche, Frangois},
year = {1997},
doi = {10.1109/SBMOMO.1997.646830},
booktitle   = {SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference}
}