Detector Technology for Gravitational-Wave Astrophysics

引力波天体物理学探测器技术

• 批准号: 2207640
• 负责人: Stefan Ballmer
• 金额: $ 55.5万
• 依托单位: Syracuse University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2022
• 资助国家: 美国
• 起止时间: 2022-07-01 至 2025-06-30
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2207640&HistoricalAwards=false
• 关键词: Detector; Technology; Gravitational; Wave; Astrophysics

This award supports research in relativity and relativistic astrophysics, and it addresses the priority areas of NSF's "Windows on the Universe" Big Idea. Humankind's exploration of the gravitational-wave universe began with the National Science Foundation's Advanced LIGO observation of the collision of two black holes in 2015. This breakthrough started a revolution in astrophysics that is still ongoing and that is directly driven by the detector's sensitivity. This project tackles the most limiting noise in terrestrial gravitational-detectors: quantum noise, thermal noise, and the numerous actuator-related noise couplings at low frequency. Its goals are to enable Advanced LIGO to overcome the current quantum and thermal noise limitations, and to collaborate with the LIGO Laboratory to address the diverse noise sources at low frequencies, enabling gravitational-wave detectors to continue to unravel the mysteries of the universe.Specifically, this award is funding i) Developing and deploying of novel phase front sensors for characterizing and controlling the optical wave front in gravitational-wave interferometers with a high arm cavity laser power, ii) Support for commissioning high power operations and improved sensitivity for Advanced LIGO A+ in preparation for the O4 and O5 observation runs, and iii) Research and design work for integrating new crystalline optical coatings (AlGaAs), test mass actuators and wave front control elements into post-O5 Advanced LIGO and Cosmic Explorer.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该奖项支持相对论和相对论天体物理学的研究，并介绍了NSF“宇宙上的Windows”的优先领域。人类对引力波宇宙的探索始于国家科学基金会在2015年对两个黑洞碰撞的高级三角形观察。这一突破开始了天体物理学的一场革命，该革命仍在进行中，这是由探测器的敏感性直接驱动的。该项目解决了陆地重力检测器中最有限的噪声：量子噪声，热噪声以及低频的众多与执行器相关的噪声耦合。它的目标是使高级Ligo能够克服当前的量子和热噪声限制，并与Ligo实验室合作以低频的不同噪声源来解决不同的噪声源，从而使引力波检测器继续揭开宇宙的奥秘。 ，该奖项是资助i）开发和部署新型相位前传感器，以表征和控制具有高臂腔激光功率的重力波干涉仪中的光波锋A+在准备O4和O5观察过程中，以及iii）研究和设计工作，用于整合新的晶体光学涂料（藻类），测试群众执行器和波浪前控制元素和of后O5高级LIGO和COSMIC Explorer。这反映了NSF的奖项。法定任务，并被认为是值得通过基金会的智力优点和更广泛影响的审查标准来评估的值得支持的。

项目成果

Study on electro-optic noise in crystalline coatings toward future gravitational wave detectors

针对未来引力波探测器的晶体涂层中的电光噪声研究

• DOI: 10.1103/physrevd.107.022003
• 发表时间: 2023
• 期刊: Physical Review D
• 影响因子: 5
• 作者: Tanioka, Satoshi;Vander-Hyde, Daniel;Cole, Garrett D.;Penn, Steven D.;Ballmer, Stefan W.
• 通讯作者: Ballmer, Stefan W.