@article{article04d9e5b9, title = {Design, fabrication abd testing of inexpensive diffractive optical elements}, author = {Semighini Filho, Dirceu and Cirino, Giuseppe Antonio and Pizolato Junior, José Carlos and Gonçalves Neto, Luiz and Verdonck, Patrick Bernard}, year = {2006}, doi = {10.1149/1.2813483}, journal = {ECS Transactions} }