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Chinese scientists created ABF crystal, enabling efficient 158.9 nm vacuum UV lasers for advanced tech.
Chinese scientists have developed a new crystal, ammonium fluorooxoborate (ABF), enabling the first direct frequency-doubling to produce a vacuum ultraviolet laser at 158.9 nanometers.
The breakthrough, achieved using birefringent phase-matching, overcomes past challenges in growing large, high-quality crystals.
ABF shows strong VUV transmittance, powerful nonlinear response, and favorable growth properties, offering a significant advance over previous materials like KBBF.
The development, published in Nature, marks a major step forward in compact, efficient all-solid-state VUV lasers, critical for precision manufacturing and scientific research.
Researchers aim to further improve crystal stability and laser performance for future applications.
Científicos chinos crearon el cristal ABF, permitiendo láseres UV de vacío de 158.9 nm eficientes para tecnología avanzada.