Hongzhan Liu

Papers

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About

Hongzhan Liu is a leading researcher in optical engineering, specializing in laser beam steering and precision optomechanical systems. His most-cited work, "Inverse solutions for a Risley prism scanner with iterative refinement by a forward solution" (2015, 57 citations), addresses a critical challenge in the field: accurately determining prism orientations for targeted beam positioning. By developing an iterative refinement method that combines inverse and forward solutions, Liu significantly improved the accuracy and reliability of Risley prism scanners—devices essential for applications like LIDAR, free-space optical communications, and laser tracking. This contribution has been widely recognized, with his paper serving as a foundational reference for subsequent advances in beam steering technology. Liu’s work bridges theoretical modeling and practical implementation, enabling higher-resolution scanning with reduced computational complexity. His research continues to influence the design of agile optical systems, making him a key figure in the evolution of non-mechanical beam steering. For students and researchers, Liu’s approach exemplifies how iterative algorithms can solve complex inverse problems in optics, offering a model for innovation in precision instrumentation.