Humans spend about 80% of their time indoors, but keeping track of the air we breathe usually requires expensive lab-grade ...

Tucson-area optics firm Geost has been supplying sensor systems for U.S. defense and intelligence satellites since its founding by a University of Arizona optics Ph.D. two decades ago. Now, Geost is ...

Abstract: A proof-of-principle experiment demonstrated the feasibility of a water flow detection optical sensor using a flat-top beam-assisted image signal processing. We evaluated whether the ...

Abstract: The early and accurate identification of vascular occlusions plays a crucial role in preventing cardiovascular and cerebrovascular diseases. Conventional detection methods that rely on ...