@inproceedings{JimenezJASA2018fresnel,
 author = {Noé Jiménez and Vicent Romero-García and Lluis M. García-Raffi and Francisco Camarena and Kestutis Staliunas},
 booktitle = {176th Meeting of the Acoustical Society of America and 2018 Acoustics Week in Canada. Victoria, BC, Canada. 5 - 9 November},
 doi = {https://doi.org/10.1121/1.5068456},
 editor = {The Journal of the Acoustical Society of America},
 isbn = {ISSN: 0001-4966},
 month = {12},
 number = {3},
 organization = {Acoustical Society of America},
 pages = {1932-1932},
 publisher = {AIP Publishing},
 series = {Invited},
 title = {Strongly focused vortex beams by using flat Fresnel-spiral lenses},
 url = {https://asa.scitation.org/doi/10.1121/1.5068456},
 volume = {144},
 year = {2018}
}