Monitoring vital signs is essential for understanding human physiology and managing health conditions. Conventional methods ...

Abstract: We have demonstrated a CMOS image sensor (CIS) with nano-light pillars (NLPs), which is metasurface-like structures, on a 0.8 μm-pixel sensor to enhance quantum efficiency. By employing a ...

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...

Every serious gearhead knows that the right USB gadget can turn a cluttered garage into a smart, efficient workshop. From ...

Abstract: Aiming at the demand of oxygen partial pressure measurement in aerospace and aviation, a tunable diode laser absorption spectroscopy (TDLAS) technique is proposed to realize the oxygen ...