Pointing Errors and Beam Control in Optical Links

How misalignment and jitter affect FSO performance, and the acquisition, tracking and pointing (ATP) techniques used to keep beams reliably aligned.

• Engineers and researchers working in optical wireless communication, free-space optics (FSO), satellite, and UAV-based optical systems
• System designers and developers dealing with high-precision optical links and laser beam control
• Graduate and postgraduate students in photonics, optical engineering, aerospace, and wireless communication fields
• Academic staff involved in research and teaching in course-related areas (optics, communications, aerospace, and control systems)
• Professionals designing or operating optical tracking, stabilization, and pointing systems
• LiDAR, directed energy, and laser communication system developers seeking to improve pointing accuracy and performance
• Scientists and R&D specialists in defense, aerospace, and telecommunications industries

• Introduction to Pointing Errors - Importance in FSO, satellite, and UAV links - Consequences on system performance
• Sources of Pointing Errors - Platform vibrations - Beam divergence and jitter - Atmospheric effects
• Statistical Models - Rayleigh, Rician, and Hoyt distributions for misalignment - Small-angle and large-angle approximations
• Beam Control Techniques - Beam steering basics - Active and passive tracking mechanisms - Use of MEMS mirrors, gimbals, and adaptive optics
• Stabilization and Compensation - Real-time feedback systems - Kalman filtering approaches - Optical aperture averaging
• Application Examples - FSO backhaul systems - Satellite-to-ground optical links - Airborne optical communication links

• Copy of the presentation slides (PDF)
• Downloadable video recording of the sessions (valid for 60 days)

⚠️ Important: The video is licensed for personal use only. Redistribution, sharing, or public posting of the course video is strictly prohibited.

* Session 1: 2 hours - Fundamentals of Pointing Errors in Optical Links - Sources and Types of Misalignment - Modeling and Statistical Characterization * Session 2: 2 hours - Beam Control Techniques - Tracking, Stabilization, and Comp