Core Viewpoint - The establishment of the quantum radioactive metrology laboratory marks a significant advancement in China's quantum metrology technology, achieving international standards and filling a gap in low-temperature quantum magnetic calorimetry [1][3]. Group 1: Importance of Metrology - Metrology is a crucial foundation for technological innovation, industrial development, and public welfare, serving as an essential support for building an integrated national strategic system and capabilities [3]. - Quantum metrology is likened to a high-precision "fiber laser ruler," focusing on the measurement of microscopic particles in the quantum realm to achieve precise measurements [3]. Group 2: Laboratory and Platform Details - The quantum radioactive metrology laboratory, led by the China National Nuclear Corporation's China Institute of Atomic Energy, is the first domestic platform based on magnetic calorimetry to achieve low-energy γ-ray single-photon pulse detection [5]. - The laboratory significantly enhances the energy resolution of γ-ray detection to the order of hundreds of electron volts (eV), improving the analysis capabilities of key radionuclides [5]. - The research team has successfully developed core components such as the quantum magnetic calorimeter sensor chip, marking a breakthrough in domestic signal detection based on magnetic calorimetry [5]. Group 3: Ionizing Radiation Metrology Platform - The ionizing radiation metrology equipment "one line, multiple uses" research and development platform aims to address the "bottleneck" technology challenges in high-end instruments [8]. - This platform integrates innovative research and development, precision manufacturing, strict validation, and reliable assurance, forming a complete chain from material storage to product testing [8]. - It establishes a closed-loop system covering "design-development-manufacturing-assembly-testing-optimization," accelerating the transformation of innovative results into mature products to meet high-end application and market demands [8].
正式投用!我国建成国际先进量子放射性计量实验室