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Electron Acceleration

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Scientists Achieve Breakthrough with World's Smallest Particle Accelerators

Originally Published 2 years ago — by Slashdot

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Source: Slashdot

Scientists have successfully fired up the world's smallest particle accelerator, known as a nanophotonic electron accelerator (NEA), which is the size of a small coin. The NEA consists of a microchip with a vacuum tube made up of thousands of pillars, where electrons are accelerated by mini laser beams. In a recent study, researchers from the Friedrich-Alexander University of Erlangen-Nuremberg (FAU) in Germany increased the energy of electrons by 43%. This achievement, along with a similar one by colleagues at Stanford University, paves the way for the development of particle accelerators on microchips, opening up a range of potential applications.

Advancements in Miniature Particle Accelerators: Coherent Nanophotonic Electron Acceleration

Originally Published 2 years ago — by Nature.com

Featured image for Advancements in Miniature Particle Accelerators: Coherent Nanophotonic Electron Acceleration
Source: Nature.com

Researchers have developed a nanophotonic electron accelerator that combines particle acceleration and transverse beam confinement, enabling the acceleration and guidance of electrons over a distance of 500 μm in a 225-nm-wide channel. The accelerator achieved a maximum coherent energy gain of 12.3 keV, representing a 43% increase in energy. This breakthrough paves the way for the development of nanophotonic accelerators that offer high acceleration gradients and minimal size requirements, with potential applications in medicine, industry, materials research, and science.