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 ...

Researchers have developed a new optical sensor that provides a simple way to achieve real-time detection of extremely low levels of arsenic in water. Researchers have developed a new optical sensor ...