Zobrazeno 1 - 10
of 3 348
pro vyhledávání: '"vortex beam"'
Publikováno v:
PhotoniX, Vol 5, Iss 1, Pp 1-11 (2024)
Abstract Pulsed polarized vortex beams, a special form of structured light, are generated by tailoring the light beam spatiotemporally and witness the growing application demands in nonlinear optics such as ultrafast laser processing and surface plas
Externí odkaz:
https://doaj.org/article/0dc4e5c55c5743048ee8d6ec33a9dff0
Publikováno v:
水下无人系统学报, Vol 32, Iss 5, Pp 901-905 (2024)
In free-space diffraction, the orbital angular momentum(OAM)of the vortex light field remains unchanged. However, in a turbulent layer, the symmetry of the OAM spectrum distribution will be broken, and the OAM will change due to the existence of a qu
Externí odkaz:
https://doaj.org/article/b8d04226520f4a0587080687de0a3a8e
Publikováno v:
Results in Physics, Vol 67, Iss , Pp 108038- (2024)
Based on the unified theory of coherence-polarization, we utilize the extended Huygens-Fresnel principle to derive analytical expressions for the average intensity distribution of a radially polarized anomalous vortex beam (RPAVB) propagating through
Externí odkaz:
https://doaj.org/article/e8e0e5d5b6f742a0bd2abb195a2102d5
Publikováno v:
Results in Physics, Vol 62, Iss , Pp 107827- (2024)
Based on the model of multiple random phase screens of atmospheric turbulence, the optical fields of a ring Airyprime vortex beam (RAPVB) and an Airyprime vortex beam array (APVBA) propagating in atmospheric turbulence are expressed in the form of op
Externí odkaz:
https://doaj.org/article/e1b7fc7705be472c8675d60fd0d7608f
Publikováno v:
Results in Physics, Vol 64, Iss , Pp 107909- (2024)
In this paper, an ultra-thin (0.072λ) composite stealth cloak is proposed to cover a cloak with a center height of 98.88 mm and an inclination angle of 25° to achieve the dual stealth effect of scattering and gain. Firstly, based on the Generalized
Externí odkaz:
https://doaj.org/article/373dccbef5b24fe598dab8fa7818a421
Publikováno v:
Opto-Electronic Advances, Vol 7, Iss 2, Pp 1-8 (2024)
An electron vortex beam (EVB) carrying orbital angular momentum (OAM) plays a key role in a series of fundamental scientific researches, such as chiral energy-loss spectroscopy and magnetic dichroism spectroscopy. So far, almost all the experimentall
Externí odkaz:
https://doaj.org/article/18fef45526d84315b9e4b4daa1701512
Autor:
Jiang Lixin, Li Yongfeng, Yang Hao, Liang Shuang, Zheng Lin, Qin Zhe, Zhu Zhibiao, Chen Hongya, Wang Jiafu, Qu Shaobo
Publikováno v:
Nanophotonics, Vol 13, Iss 4, Pp 499-508 (2024)
Vortex beams carrying orbital angular momentum (OAM) are considered to hold significant prospects in fields such as super-resolution imaging, high-capacity communications, and quantum optics. Therefore, the techniques of vortex beam generation have a
Externí odkaz:
https://doaj.org/article/fcbce9b21a194075ad93765f589a394d
Autor:
Yufei Zhao, Yuan Feng, Afkar Mohamed Ismail, Ziyue Wang, Yong Liang Guan, Yongxin Guo, Chau Yuen
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 4885-4901 (2024)
Reconfigurable metasurface, also known as Reconfigurable Intelligent Surfaces (RIS), with its flexible beamforming, low-cost, and easy industrial deployment characteristics, presents many interesting solutions in wireless application scenarios. This
Externí odkaz:
https://doaj.org/article/6304cc2da3b84a6c9e99046bd427b974
Autor:
Marek Klemes, Lan Hu, Gregory J. Bowles, Mohammad Akbari, Soulideth Thirakoune, Michael Schwartzman, Kevin Zhang, Tan Huy Ho, David Wessel, Wen Tong
Publikováno v:
IEEE Access, Vol 12, Pp 53871-53880 (2024)
In this paper we document for the first time some of the effects of self-healing, a property of orbital-angular-momentum (OAM) or vortex beams, as observed on a millimeter-wave experimental communications link in an outdoors line-of-sight (LOS) scena
Externí odkaz:
https://doaj.org/article/0fa04d11bbe4466296e8febffb66dde9
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 2, Pp 1-5 (2024)
Realizing a spatial phase modulation (SPM) from 0 to 2π is vital for achieving precise light field manipulation, when the phase-only spatial light modulator (SLM) is driven by the voltage. However, insufficient bias voltage degrades the quality of t
Externí odkaz:
https://doaj.org/article/e273096cab5446059a816bb84fbdde8c