Results 1 to 10 of about 65,146 (120)

Microcavity-based generation of full Poincaré beams with arbitrary skyrmion numbers [PDF]

Physical Review Research, 2021
A full Poincaré (FP) beam possesses all possible optical spin states in its cross section, which constitutes an optical analog of a skyrmion. Until now FP beams have been exclusively generated using bulk optics.
Wenbo Lin, Yasutomo Ota, Yasuhiko Arakawa, Satoshi Iwamoto   +3 more
doaj   +2 more sources

Experimental Mueller matrix polarimetry with full Poincaré beams and a CCD camera [PDF]

EPJ Web of Conferences, 2021
Recently, the use of full Poincaré beams for extracting the Mueller matrix of a sample has been proposed. These beams present all possible polarization states across their transverse section.
Suárez-Bermejo Juan Carlos, González de Sande J. Carlos, Santarsiero Massimo, Piquero Gemma   +3 more
doaj   +2 more sources

Inverse Faraday effect of weakly relativistic full Poincaré beams in plasma

Matter and Radiation at Extremes, 2023
The inverse Faraday effect (IFE), which usually refers to the phenomenon in which a quasi-static axial magnetic field is self-generated when a circularly polarized beam propagates in a plasma, has rarely been studied for lasers with unconventional ...
Wei Liu, Qing Jia, Jian Zheng
doaj   +2 more sources

Free electron laser generation of x-ray Poincaré beams [PDF]

New Journal of Physics, 2020
An optics-free method is proposed to generate x-ray radiation with spatially variant states of polarization via an afterburner extension to a free electron laser.
Jenny Morgan, Erik Hemsing, Brian W J McNeil, Alison Yao   +3 more
doaj   +2 more sources

Fully tunable on-chip meta-generator for multidimensional Poincaré sphere mapping [PDF]

Light: Science & Applications
The angular momentum of light can be elegantly mapped onto high-order Poincaré spheres, providing a powerful framework for describing structured light beams.
Shuang Zheng, Jing Luan, Tiange Wu, Liheng Yi, Zhenyu Wan, Qi Tian, Yuan Meng, Yijie Shen, Kaiyuan Wang, Liangjia Zong, Li Shen, Deming Liu, Ming Tang, Jian Wang, Minming Zhang   +14 more
doaj   +2 more sources

Generation of volumetrically full Poincaré beams

Journal of the Optical Society of America A: Optics and Image Science, and Vision, 2022
Optical communications, remote sensing, particle trapping, and high-resolution imaging are a few research areas that benefit from new techniques to generate structured light.
Andy Black
exaly   +2 more sources

Second harmonic generation with full Poincaré beams

Optics Express, 2018
We report a concise yet efficient experiment to extend the study of full Poincaré beams to incorporate the nonlinear optical effect. The main feature of our scheme is the employment of Type-II phase-matching KTP crystal to implement the second harmonic ...
Lixiang Chen, Xianfeng Chen, Xiaodong Qiu   +2 more
exaly   +2 more sources

Evolution of C-point singularities and polarization coverage of Poincaré–Bessel beam in self-healing process [PDF]

Scientific Reports
As a vector version of scalar Bessel beams, Poincaré–Bessel beams (PBBs) have attracted a great deal of attention due to their non-diffracting and self-healing properties as well as the presence of polarization singularities.
Subith Kumar, Anupam Pal, Arash Shiri, G. K. Samanta, Greg Gbur   +4 more
doaj   +2 more sources

Full Poincaré beams

Optics Express, 2010
We explore the behavior of a class of fully correlated optical beams that span the entire surface of the Poincaré sphere. The beams can be constructed from a coaxial superposition of a fundamental Gaussian mode and a spiral-phase Laguerre-Gauss mode ...
Thomas Brown, Miguel A Alonso, Amber M Beckley   +2 more
exaly   +2 more sources

Full Poincaré beams obtained by means of uniaxial crystals

Applications of Optics and Photonics, 2017
The generation of non-uniformly totally polarized beams and the study of their applications is a subject of increasing interest in the last years. A particular class of beams of this kind are the so-called full Poincaré beams, which have the property of ...
Massimo Santarsiero, Gemma Piquero, Juan Carlos González de Sande   +2 more
exaly   +2 more sources