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, ...

SAXONBURG, Pa., Sept. 25, 2025 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announced a breakthrough in short-reach optical interconnect technology with the ...

[Patrick] was prepping for some future projects he had in mind, for which he will need a simple 2D array of addressable LEDs. While it is certainly possible for him to build his own LED array and ...

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 ...