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About

Andrew H. Belcher is a medical physics researcher whose work has significantly advanced the precision and patient comfort of radiation therapy, with a particular focus on stereotactic radiosurgery (SRS) and robotic motion compensation systems. His research centers on developing innovative six-degree-of-freedom (6DOF) robotic technologies capable of tracking and correcting patient movement in real time during highly precise radiotherapy treatments. Belcher's most influential contribution, "Development of a 6DOF Robotic Motion Phantom for Radiation Therapy" (2014, 20 citations), established a critical testing framework for evaluating complex motion-tracking technologies in clinical settings. Building on this foundation, he pioneered robotic systems that correct both translational and rotational head motion during frameless SRS — work that directly addresses the longstanding tension between treatment accuracy and patient invasiveness. His research toward fully frameless, maskless SRS represents a compelling vision for the future of radiosurgery, potentially eliminating the discomfort of rigid head frames without sacrificing millimeter-level precision. Collectively accumulating over 60 citations, Belcher's portfolio reflects a consistent drive to bridge engineering innovation and clinical application, making radiation therapy safer, more accurate, and more accessible for patients undergoing treatment for conditions of the central nervous system.