空间引力波探测中超前指向机构成像系统设计方案

Key Points

• This research aims to design an imaging system to reduce noise in gravitational wave detection caused by the PAAM's angular jitter.
• Developed an imaging system to project detector optics to the PAAM's equivalent rotation center to reduce noise.
• Constructed a high-symmetry interferometer testing platform based on laser heterodyne interference principles.
• Analyzed noise suppression performance under non-ideal conditions using IFOCAD software.
• Ideal alignment achieves suppression of 98.9% of lever arm path changes and 98.2% of piston path changes.
• Installed error yields TTL noise suppression below 1 pm/√Hz.
• Under thermal noise, stability remains below 10 pm/√Hz.