可调强场太赫兹自由电子激光:物质微观结构探测与操控的利器
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摘要: 太赫兹(terahertz,THz)波的频率范围通常在0.1—30 THz (波长3 mm至10 μm)之间,处于电子学与光子学的过渡区域。这一波段的光子能量(约0.4—124 meV)不仅覆盖了许多生物大分子的集体振动与转动能级,更与固体材料中诸如晶格振动(声子)、自旋波(磁振子)以及激子等基本准粒子的低能激发态高度重合。因此,太赫兹波被视为探索凝聚态物理、材料科学及生物医学等前沿领域的重要探测手段。近年来,随着研究的深入,科学界已不再满足于仅利用弱太赫兹场进行线性光谱探测,而是迫切需求高强度的太赫兹脉冲跨越线性微扰的界限,诱导出一系列新奇的非线性物理现象,从而实现对量子材料宏观物性的相干操控(如光诱导超导、铁电性翻转等)。
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Kubacka T,Johnson J A,Hoffmann M C et al. Science,2014,343(6177):1333 Li X,Qiu T,Zhang J et al. Science,2019,364(6445):1079 Jelic V,Adams S,Hassan M et al. Nature Photonics,2024,18(9):898 Wu X,Kong D,Hao S et al. Advanced Materials,2023,35(23): 2208947 Koulouklidis A D,Gollner C,Shumakova V et al. Nat. Commun., 2020,11:292 Shalaby M et al. Nat. Commun.,2015,6:5976 Yang H,Qi J,Pan C et al. Optics Express,2017,25(13):14766 Knyazev B A,Kulipanov G N,Vinokurov N A. Measurement Science and Technology,2010,21(5):054017 Krasilnikov M,Aboulbanine Z,Adhikari G et al. Physical Review Accelerators and Beams,2025,28(3):030701 Gover A,Ianconescu R,Friedman A et al. Reviews of Modern Physics,2019,91(3):035003 Zhang K,Kang Y,Liu T et al. Applied Sciences,2021,11(24): 11850 Liu B,Feng C,Gu D et al. Applied Sciences,2021,12(1):176 Kang Y,Li T,Wang Z et al. Nature Photonics,2025,https://doi.org/10.1038/s41566-025-01775-1 Kang Y,Wang Z,Zhang K et al. Generating high-power, frequency tunable coherent THz pulse in an X-ray free-electron laser for THz pump and X-ray probe experiments. In:Photonics MDPI,2023,10(2):133 -
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