High-energy accelerators is the academic and technological domain concerned with the design, construction, and operation of devices that accelerate charged particles to very high kinetic energies. This field investigates the underlying principles of particle acceleration and beam dynamics, aiming to develop advanced methodologies for achieving higher energies, greater efficiency, and enhanced compactness and reliability. Its significance lies in providing critical experimental tools for fundamental research in particle physics, generating specialized radiation sources, and enabling diverse applications in medicine, materials science, and industry.