Prof. Vincenzo Spagnolo, Prof. Lei Dong, Prof. Weidong Chen and Dr. Pietro Patimisco are currently accepting submissions for the upcoming Special Issue titled “Optical Spectroscopy, Sensing, and Imaging from UV to THz Range”, which will be published in Sensors MPDI . The Special Issue belongs to the section “Physical Sensors” and is open to both original research articles and review articles, and the deadline for submission is March 31, 2020. You can find the Call for Papers at the following link: https://www.mdpi.com/journal/sensors/special_issues/OSSITR