Compton Scattered X-Gamma Rays with Orbital Momentum

Petrillo, V.; Dattoli, G.; Drebot, I.; Nguyen, F.

doi:10.1103/physrevlett.117.123903

Cited by 60 publications

(38 citation statements)

References 38 publications

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“…If gamma-ray vortices in the energy region of 1 < E < 30 MeV are generated, one may study the specific interaction between gamma-ray vortices and atomic nuclei via nuclear resonance fluorescence and photonuclear reactions whose reactions depends on the total angular momentum of an incoming gamma-ray. It has been proposed on theoretical grounds that gamma-ray vortices may be generated using inverse Thomson scattering between a high energy electron and an optical vortex laser 16–18 .…”

Section: Introductionmentioning

confidence: 99%

Gamma-ray vortices from nonlinear inverse Thomson scattering of circularly polarized light

Taira

Hayakawa

Katoh

2017

Sci Rep

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Inverse Thomson scattering is a well-known radiation process that produces high-energy photons both in nature and in the laboratory. Nonlinear inverse Thomson scattering occurring inside an intense light field is a process which generates higher harmonic photons. In this paper, we theoretically show that the higher harmonic gamma-ray produced by nonlinear inverse Thomson scattering of circularly polarized light is a gamma-ray vortex, which means that it possesses a helical wave front and carries orbital angular momentum. Our work explains a recent experimental result regarding nonlinear inverse Thomson scattering that clearly shows an annular intensity distribution as a remarkable feature of a vortex beam. Our work implies that gamma-ray vortices should be produced in various situations in astrophysics in which high-energy electrons and intense circularly polarized light fields coexist. Nonlinear inverse Thomson scattering is a promising radiation process for realizing a gamma-ray vortex source based on currently available laser and accelerator technologies, which would be an indispensable tool for exploring gamma-ray vortex science.

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Section: Introductionmentioning

confidence: 99%

Gamma-ray vortices from nonlinear inverse Thomson scattering of circularly polarized light

Taira

Hayakawa

Katoh

2017

Sci Rep

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“…generate optical vortices. Different approaches have also been proposed to produce light with OAM from relativistic beams by up conversion of a Gaussian laser beam through an electron beam exploiting inverse Compton scattering or free electron laser [60,61].…”

Section: Synchrotron Radiation From Undulatorsmentioning

confidence: 99%

Radiation emission processes and properties: synchrotron, undulator and betatron radiation

Paroli

Potenza

2017

Advances in Physics: X

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Synchrotron, undulator and betatron radiations are generated from last generation and novel concept sources. The achievement of unprecedented radiation properties opens new opportunities in various research fields as well as novel potential applications. In particular, bright coherent X-rays and γ -rays have been recently obtained thanks to enormous efforts in technological advancements and research activities. We give in this work a uniform argumentation and comparison of the main fundamental emission processes and radiation properties of synchrotron, undulator and betatron radiations. Emphasis is given to spatial coherence and related diagnostics, a fundamental property for any 'modern light source' and a basis for recent important advancements. ARTICLE HISTORY

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“…Based on the working principle of this source, a scheme has been proposed to produce OAM beams. This scheme consists of sending a relativistic high-brightness electron beam in opposite direction to a laser beam carrying a well-defined OAM; the transfer of OAM to the emitted radiation has been studied theoretically [67,68].…”

Section: Compton-based Vortex Generationmentioning

confidence: 99%

Generation and Applications of Extreme-Ultraviolet Vortices

et al. 2017

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Vortex light beams are structures of the electromagnetic field with a spiral phase ramp around a point-phase singularity. These vortices have many applications in the optical regime, ranging from optical trapping and quantum information to spectroscopy and microscopy. The extension of vortices into the extreme-ultraviolet (XUV)/X-ray regime constitutes a significant step forward to bring those applications to the nanometer or even atomic scale. The recent development of a new generation of X-ray sources, and the refinement of other techniques, such as harmonic generation, have boosted the interest of producing vortex beams at short wavelengths. In this manuscript, we review the recent studies in the subject, and we collect the major prospects of this emerging field. We also focus on the unique and promising applications of ultrashort XUV/X-ray vortex pulses.

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Compton Scattered X-Gamma Rays with Orbital Momentum

Cited by 60 publications

References 38 publications

Gamma-ray vortices from nonlinear inverse Thomson scattering of circularly polarized light

Gamma-ray vortices from nonlinear inverse Thomson scattering of circularly polarized light

Radiation emission processes and properties: synchrotron, undulator and betatron radiation

Generation and Applications of Extreme-Ultraviolet Vortices

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