先进Virgo Plus用于O5——设计报告概述
Advanced Virgo Plus for O5 -- Design Report Overview
AI总结：
本文概述了先进Virgo Plus升级设计，结合原有项目与新方案，提升干涉仪稳定性、噪声降低和探测灵敏度，为O5观测带来更大天文探测能力。
摘要：
本文概述了先进Virgo Plus升级设计，结合原有项目与新方案，提升干涉仪稳定性、噪声降低和探测灵敏度，为O5观测带来更大天文探测能力。
英文摘要：
This document presents an overview of the design, implementation, and expected performance of the Advanced Virgo Plus (AdV+) upgrades in view of the O5 observing run. Following the experience gained during the O4 commissioning and operations, the Virgo Collaboration has revised the upgrade strategy to address limitations associated with marginally stable recycling cavities. The O5 upgrade program combines elements from the original AdV+ Phase II project with new design solutions, including the implementation of stable recycling cavities, a major modification to the central interferometer layout, and a comprehensive renewal of critical subsystems. The planned upgrades are organized in two steps, targeting progressive improvements in operational stability, noise reduction, and detector sensitivity. Key developments include new vacuum infrastructures, suspensions, mirrors, optical configurations, quantum noise reduction systems, and high-power laser technologies. The resulting configuration is expected to significantly enhance the interferometer performance, enabling a substantial increase in astrophysical reach and scientific return during O5.
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