For more critical situations/procedures, such as intravenous (IV) insertions and more, near-infrared (NIR), ultrasound sensing techniques, or transillumination technology are frequently used.

See how wearable devices monitor heart rate, oxygen levels, respiration, and other vital signs with ease. These designs help ...

Researchers developed a quantum-dot circularly polarized light sensor using chiral charge transport layers, spanning ultraviolet to short-wave infrared wavelengths.

One of Lumafield’s most interesting scans is of the Ultra 3’s optical heart rate sensor and its photodiodes for heart rate ...

Electro-optical and photonic devices have made great progress in their level of integration and performance. However, they do ...

Samsung Electronics has launched its silicon photonics foundry business, marking a significant expansion of its semiconductor ...

A nanowire diode with a built-in electron trap senses, denoises, and classifies images without separate processing hardware, mimicking the retina and opening a path to smarter edge computing.

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...

A compact microwave-photon detector built from a semiconductor double quantum dot and a superconducting cavity could sharpen ...

PN junction diodes are the underpinning of modern optoelectronic systems. But, typically, they perform only a single task. To ...

PN junction diodes are the underpinning of modern optoelectronic systems. But, typically, they perform only a single task. To ...

Semiconductor detectors that directly measure the electrical signals produced by X-rays have hugely improved the resolution and contrast of computed tomography scanners. In the 1970s computed ...