A dust sensor is an optical electronic system to detect fine particles such as dust. In principle, an optical dust sensor detects the dust particle concentration the in air by using an optical sensing ...

UniSA scientists have designed minute optical fibre sensors, which can be attached to the upper surface of a mattress to monitor movement and record heart and respiratory rates. The unobtrusive ...

A new lens-free imaging system uses software to see finer details from farther away than optical systems ever could before.

A new easy-to-use optical fiber sensor achieves sensitive and real-time detection of extremely low levels of arsenic in water. WASHINGTON — Researchers have developed a new optical sensor that ...

Analog and digital optoelectronic sensors combine an LED and an optoelectronic integrated circuit in a compact package to enable optical encoders to provide absolute or incremental position detection ...