Instrumentation for the era of gravitational wave science

引力波科学时代的仪器

• 批准号: DP160100760
• 负责人: Em/Prof David McClelland
• 金额: $ 51.12万
• 依托单位: The Australian National University
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2016
• 资助国家: 澳大利亚
• 起止时间: 2016-01-01 至 2021-06-30
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP160100760
• 关键词: Instrumentation; era; gravitational; wave; science

This project aims to study noise sources that limit the low-frequency performance of gravitational wave antenna: thermal noise, quantum radiation pressure noise and Newtonian noise. Gravitational wave detection is a new way in which to observe our universe. Although detectors such as advanced LIGO (Laser Interferometer Gravitational-Wave Observatory) should detect gravitational waves, further sensitivity improvement, particularly at low frequencies, will be needed to provide event rates necessary for astronomy. Expected project outcomes will support the development of the first free mass interferometer to operate at 120K using silicon optics, a vital facility for the world community. Pushing the boundaries of measurement may also drive innovation in optical sensing with potential applications in defence, security and exploration.

本项目旨在研究限制引力波天线低频性能的噪声源：热噪声、量子辐射压力噪声和牛顿噪声。引力波探测是观测我们宇宙的一种新方法。虽然像先进的LIGO（激光干涉引力波天文台）这样的探测器应该能探测到引力波，但还需要进一步提高灵敏度，特别是在低频时，才能提供天文学所需的事件率。预期项目成果将支持开发第一台使用硅光学器件在120K下运行的自由质量干涉仪，这是国际社会的重要设施。推动测量的边界也可能推动光学传感的创新，并在国防、安全和勘探方面有潜在的应用。