本报西安6月16日电(记者李洁、张哲浩)近日,我国在光晶格钟研究领域取得重大突破。由中国科学院国家授时中心常宏研究员带领的锶光钟团队成功研制出频率稳定度和系统不确定度均优于2×10-18的锶光晶格钟,将时间精度提高到160亿年不差一秒,这一成果标志着我国在光晶格钟领域的研制水平已步入世界领先行列。为实现这一超高精度,团队深度融合多项前沿技术,创新性地结合了移动光晶格技术、法拉第笼技术、主动控温热...
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