@inproceedings{b74d810f4260402cb4123511328bc003,
title = "Long depth-of-focus imaging by a non-diffracting optical needle under strong aberration",
abstract = "We experimentally investigated the focusing property of an annular-shaped beam. Apparent robustness against optical aberration was revealed when an annular-shaped beam is tightly focused in the presence of strong spherical aberration.",
author = "Yuichi Kozawa and Shunichi Sato",
note = "Publisher Copyright: {\textcopyright} 2017 IEEE.; 2017 Conference on Lasers and Electro-Optics, CLEO 2017 ; Conference date: 14-05-2017 Through 19-05-2017",
year = "2017",
month = oct,
day = "25",
language = "English",
series = "2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "1--2",
booktitle = "2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings",
address = "United States",
}