This text investigates the fundamental principles, design methodologies, and practical applications of millimetre-wave technology within modern optical and electronic systems. J. C. G. Lesurf, an expert in the field of microwave and millimetre-wave instrumentation, provides a comprehensive framework for understanding how these high-frequency waves interact with various materials and components. The book synthesizes theoretical physics with engineering constraints to explain how millimetre-wave systems are constructed and optimized for specific technical tasks.

Experts and researchers in the field of radio frequency engineering recognize this work as a foundational technical reference for understanding quasi-optical techniques. Readers frequently note the high level of academic density and the specialized mathematical rigor required to fully utilize the design principles presented in the text.