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Scientists created sharper, multicolor gamma-ray beams using shaped laser pulses, enabling compact, tunable sources for medical and industrial use.
Scientists from Skoltech, MEPhI, and the Dukhov Institute have developed a new method to produce sharper, multicolor gamma-ray beams using nonlinear Compton scattering.
By shaping multiple laser pulses into precise temporal patterns like flat-top or staircase waveforms, they minimized spectral broadening caused by fluctuating laser intensity.
This allows electrons to emit gamma rays under near-constant light pressure, generating narrow, high-brightness spectral lines.
The technique enables a single interaction to produce multiple distinct gamma-ray energies simultaneously, offering advantages for medical imaging, material analysis, and isotope production.
Unlike traditional sources, these laser-driven beams are compact, tunable, and spectrally clean.
The approach supports digital design testing and could accelerate development of next-generation facilities like Russia’s planned Intense Compton Radiation line.
Findings were published in Physical Review A.
Los científicos crearon haces de rayos gamma más nítidos y multicolores usando pulsos de láser con forma, lo que permite fuentes compactas y sintonizables para uso médico e industrial.