Feature Paper Collection of Emerging Trends on Optics

Dear Colleagues,

Optical sensors and systems of sensors have found their way into all areas of science and applied research. It is quite obvious that everything we see or sense is subject to errors, e.g., in the form of systematic observation and measuring errors or in the form of stochastic observation noise. A sensed measurement is only an observation of “something” behind, which generates this observation, where the truth of this “something” is largely disguised—sometimes by technical limitations (such as bandwidth, noise, or signal to noise ratio) and sometimes even by limited powers of cognition, extracting, or interpreting the inherent information in sensed data. Nevertheless, the number of technically deployed optical sensors, as well as the potential of optical sensor systems, is growing continuously. Significant advances in optical metrology have been fueled by the development of new, innovative techniques, devices, and applications in a wide range of scientific fields. This featured paper collection will cover these advancements in the fields of optical sensing, sensor signal and information processing, as well as high-level information extraction/learning from optically sensed data in the following areas:

• Design of optical systems and sensors.
• Development of instrumentation.
• Optical metrology.
• Smart sensing by using optical sensors.
• 2D/3D high-speed imaging.
• Multiparameter measurements

Prof. Dr. Costantino De Angelis
Prof. Dr. Thomas Seeger
Collection Editors

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