Abstract: Sapphire fiber can withstand temperatures of around 2000 °C, but it is multimoded, giving poor precision sensors. We have demonstrated a single-mode sapphire fiber Bragg grating temperature ...

SPOKANE, Wash. — The City of Spokane is launching a program offering property owners a free solar-powered, motion-detecting residential light. The Spokane Safe and Bright Residential Light program ...

Abstract: Respiratory rate (RR) monitoring has received widespread attention in medical field. Complex, expensive, and bulky commercial equipment limits the monitoring cost. To take full advantage of ...