Key Takeaways: Gravitational wave detection, a groundbreaking astrophysical advancement, relies on precision optical systems in space-based telescopes. Using laser interferometry, these systems detect spacetime distortions caused by gravitational waves. Key components include Nd:YAG lasers, beamsplitters, reflectors, and detectors. Challenges involve maintaining thermal stability, alignment, and stray light suppression. These systems enable the observation of low-frequency […]