2023
DOI: 10.1088/1367-2630/acf87a
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Collimation, compression and acceleration of isotropic hot positrons by an intense vortex laser

Y Cao,
L X Hu,
D B Zou
et al.

Abstract: Laser-driven positron sources, characterized by short pulse width, small focal spot and high energy, are promising for potential applications, e.g. electron–positron collider and positron annihilation spectroscopy. However, the broad divergence angle and wide pulse width during the laser-driven positron transport are extremely unfavorable for achieving high spatiotemporal resolution. In this paper, we propose a novel method to manipulate the positrons by using a left-hand circularly-polarized Laguerre–Gaussian… Show more

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