Book excerpt: Optical Imaging Devices: New Technologies and Applications delivers a comprehensive introduction to optical imaging and sensing, from devices to system-level applications. Drawing upon the extensive academic and industrial experience of its prestigious editors and renowned chapter authors, this authoritative text: Explains the physical principles of optical imaging and sensing Covers topics such as silicon-based imaging characteristics, nanophotonic phased arrays, thin-film sensors, label-free DNA sensors, and in vivo flow cytometry Presents the contributions of leading researchers, real-world examples from biomedicine, recommendations for further reading, and all measurements in SI units Optical Imaging Devices: New Technologies and Applications provides an essential understanding of the design, operation, and practical applications of optical imaging and sensing systems, making it a handy reference for students and practitioners alike.