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Orbital angular momentum beam generation using a free-electron laser oscillator. (arXiv:2007.15723v1 [physics.acc-ph]) http://arxiv.org/abs/2007.15723
Orbital angular momentum beam generation using a free-electron laser oscillator. (arXiv:2007.15723v1 [physics.acc-ph]) http://arxiv.org/abs/2007.15723