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Orbital Angular Momentum of Light in Optics Instruction [PDF]
Education and Training in Optics and Photonics, 2007 We present an introduction to the orbital angular momentum of light for use in optics instruction. This type of angular momentum is a new fundamental concept discovered fifteen years ago. It arises in optical beams with helical wave-fronts. We introduce it as part of a fundamental discussion of the momentum of light.
Enrique J. Galvez, Nikolay Zhelev
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Fourier relationship between angular position and optical orbital angular momentum [PDF]
, 2006 We demonstrate the Fourier relationship between angular position and angular momentum for a light mode. In particular we measure the distribution of orbital angular momentum states of light that has passed through an aperture and verify that the orbital ...
Barnett, Stephen +4 more
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Spin-orbit interaction of light induced by transverse spin angular momentum engineering [PDF]
, 2017 We report the first demonstration of a direct interaction between the extraordinary transverse spin angular momentum in evanescent waves and the intrinsic orbital angular momentum in optical vortex beams.
Chen, Yujie +4 more
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Dynamic interferometry measurement of orbital angular momentum of light [PDF]
Optics Letters, 2014 We present a dynamic interferometry to measure the orbital angular momentum (OAM) of beams. An opaque screen with two nonparallel air slits is employed that can be regarded as the Young's double-pinhole interference. When the OAM beams with an annular intensity distribution vertically incident, the far-field interference patterns depend on the phase ...
Hailong, Zhou +3 more
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Counting Rule for Hadronic Light-Cone Wave Functions [PDF]
, 2003 We introduce a systematic way to write down the Fock components of a hadronic light-cone wave function with $n$ partons and orbital angular momentum projection $l_z$.
Feng Yuan +7 more
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Vortex energy flow in the tight focus of a non-vortex field with circular polarization [PDF]
Компьютерная оптика, 2020 Using Richards-Wolf formulas, we show that an axisymmetric circularly polarized vortex-free field can be focused into a sharp subwavelength focal spot, around which there is a region where the light energy flow propagates along a spiral. This effect can
Victor Kotlyar +2 more
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Local angular momentum induced dual orbital effect
APL Photonics, 2022 Spin angular momentum (SAM) and orbital angular momentum (OAM) are two important fundamental degrees of freedom of light and play crucial roles in various light–matter interactions.
Qiang Wang +6 more
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Orbital angular momentum 25 years on [invited] [PDF]
, 2017 Twenty-five years ago Allen, Beijersbergen, Spreeuw, and Woerdman published their seminal paper establishing that light beams with helical phase-fronts carried an orbital angular momentum. Previously orbital angular momentum had been associated only with
Padgett, Miles J.
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Plasmonic Spiral Nanostructure for Analyzing the Angular Momentum of Light
IEEE Photonics Journal, 2017 A compound plasmonic light analyzer with an elliptical Archimedean spiral nanostructure is proposed analytically and analyzed numerically. The elliptical Archimedean spiral is analogous to an ellipse but has varying semimajor axes.
Haiwen Wang +3 more
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Diffraction properties of light with transverse orbital angular momentum
Optica, 2022 The spatiotemporal optical vortex (STOV) is unique, owing to its phase singularity in the space–time domain, and it can carry transverse orbital angular momentum (OAM). Diffraction is a fundamental wave phenomenon that is well known for conventional light; however, studies on the diffraction of light with transverse OAM are limited.
Huang, Shunlin +4 more
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