Optical Sensing Technologies, Devices and Their Data Applications - Yufei Chu;Hanqing Guo;Yuanxian Zhang

This Special Issue, "Optical Sensing Technologies, Devices and Their Data Applications", presents a comprehensive exploration of innovative optical paradigms that enable the precise measurement of physical, chemical, and environmental parameters. It highlights breakthroughs in sensor design, data integration, and practical deployment across diverse fields.

At its core, the collection delves into advanced optical devices such as fiber optic sensors, photonic imagers, lidar systems, and Doppler configurations, which offer unparalleled sensitivity for atmospheric profiling, boundary layer analysis, and pollution tracking. Contributions emphasize multifunctional platforms that fuse optical methods with ultrasonic nondestructive evaluation, yielding robust tools for structural health monitoring and industrial quality control. A prominent thread weaves in artificial intelligence, machine learning, and big data analytics to refine sensor outputs, addressing performance optimization, anomaly detection, and cybersecurity in AI-augmented systems. Spanning 12 meticulously peer-reviewed papers as of November 2025 and amassing over 16,800 views, this Reprint curates these pivotal articles into a cohesive volume, serving as an indispensable reference for photonics experts, environmental scientists, and interdisciplinary innovators seeking to harness data-driven optical solutions for tomorrow's technologies.