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Ultra-intensive laser irradiation of graphene achieves high-energy ion acceleration for cancer treatment

 Last Update: 2022-03-02
 Source: Internet
 Author: User

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Laser-driven ion acceleration has been used to develop a compact and efficient plasma accelerator with applications in cancer therapy, nuclear fusion and high-energy physics

In the theory of laser ion acceleration, higher ion energies require thinner targets

Therefore, the researchers developed large-area suspended graphene (LSG) as a target for laser ion acceleration

"Atomically thin graphene is transparent, has high electrical and thermal conductivity, is lightweight, and is also the strongest material

Direct irradiation of the LSG target yields MeV protons and carbon, ranging from sub-relativistic to relativistic laser intensities, and from low-contrast to high-contrast, without the need for plasmonic mirrors, demonstrating the durability of graphene

The researchers say the results of this study are applicable to the development of compact and efficient laser-driven ion accelerators for cancer treatment, laser fusion, high-energy physics and laboratory astrophysics

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