You’re undoubtedly familiar with the clip-on blood oxygen sensor and meter that uses a pair of LEDs and a photosensor. This non-intrusive transmissive-light device—which took decades to develop, ...

Arrays of vertical-cavity surface-emitting lasers boast properties such as narrow emission spectrum and a stable output wavelength. Jean-Francois Seurin and Chuni Ghosh of Princeton Optronics argue ...

Two-dimensional (2D) semiconductors, materials that can conduct electricity and are only a few atoms thick, are promising alternatives to the conventional silicon-based semiconductors currently used ...

SAN JOSE, Calif. — Seeking to reduce the cost and complexity of light-emitting diode (LED) technology, Bridgelux Inc. has expanded its strategy and rolled out an LED array product line for use in ...

CXA LED arrays from Cree, Inc., can deliver system-level performance ranging from 500 to 5000 lumens and up to 146 LED lumens per watt.The arrays are available in EasyWhite color temperatures, which, ...