Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Apostolos Brimis"'
We demonstrate that by seeding an accelerating ring-Airy beam with a finite number of off-axis optical vortices, it transforms into a Tornado wave (ToW) upon propagation. Using numerical simulations, we show that both the spiraling high-intensity lob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c0d7da5ceac0ae71c755fce0d7e495b
https://doi.org/10.1364/opticaopen.23222495
https://doi.org/10.1364/opticaopen.23222495
Publikováno v:
Physical Review A. 105
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e69da632f8987038270b25c5aacca0f4
https://doi.org/10.1103/physreva.105.053514
https://doi.org/10.1103/physreva.105.053514
Publikováno v:
Frontiers in Optics + Laser Science 2022 (FIO, LS).
We numerically investigate the trajectories of coupled optical braids of high intensity lobes and vortices in Tornado waves. Likewise, we show that a properly phase modulated ring-Airy beam transforms to a Tornado wave upon propagation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18ad0d8d901c57f988eb560092e8f707
https://doi.org/10.1364/fio.2022.fm4e.2
https://doi.org/10.1364/fio.2022.fm4e.2
Publikováno v:
Frontiers in Optics + Laser Science 2022 (FIO, LS).
We provide an inverse method for constructing a superoscillatory optical mask for subwavelength focusing. Our approach is based on superoscillatory superpositions of paraxial Laguerre-Gaussian (LG) beams, by imposing subwavelength features.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b51e4d6ede73cc2baf2e18533ea754d8
https://doi.org/10.1364/fio.2022.jw5b.20
https://doi.org/10.1364/fio.2022.jw5b.20
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Tornado waves (ToWs) [1] were recently introduced theoretically as a new type of structured light that twists and accelerate both over the radial and the angular dimensions. Tornado waves are comprised by superimposing cylindrically symmetric acceler
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55e8187c437275f321e0e772af7d8197
https://doi.org/10.1109/cleo/europe-eqec52157.2021.9542153
https://doi.org/10.1109/cleo/europe-eqec52157.2021.9542153
Publikováno v:
Conference on Lasers and Electro-Optics.
We experimentally generate Tornado Waves using a single phase modulation device. We show that, by applying spatial multiplexing techniques, such complex superimposing fields that carry orbital angular momentum of opposite handedness can be efficientl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c2aec3857d0d40bf84ce0095fe7aeb5
https://doi.org/10.1364/cleo_qels.2021.fth1j.7
https://doi.org/10.1364/cleo_qels.2021.fth1j.7
Publikováno v:
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Optical wave packets are often used as means of energy delivery on a remote target in various applications. The use of shaped optical wave packets can, in principle, enable us to control the intensity distribution and the focus position in the linear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6559f21d0eeccf7283685d39b460b3b
https://doi.org/10.1109/cleoe-eqec.2019.8873390
https://doi.org/10.1109/cleoe-eqec.2019.8873390
Publikováno v:
Frontiers in Optics + Laser Science APS/DLS.
By superimposing vortex ring-Airy beams of opposite handedness spiral accelerating optical wave-packets are generated. The superimposed beams are tuned to abruptly auto-focus at overlapping focal regions while following distinct trajectories.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78f1b13eafd0c9a79cde4695c1bc4580
https://doi.org/10.1364/fio.2019.jtu4a.1
https://doi.org/10.1364/fio.2019.jtu4a.1
Publikováno v:
Optics Letters
We show that light spiraling like a tornado can be generated by superimposing abruptly auto-focusing ring-Airy beams that carry orbital angular momentum of opposite handedness. With different parabolic propagation trajectories, the superimposing ring
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6693c3479fe13a69723bf3324237f442