Rockley stock has been active recently and perhaps its related to this article
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Next-gen sensors: from LED to silicon photonics Many of the products described above rely on a core set of non-invasive, optical sensing technologies. LEDs shine into the skin to monitor specific parameters related to underlying health conditions. The consumer wearables market’s ability to collect meaningful health metrics is built on a foundation of critical photoplethysmography data, which is gathered by using green LEDs, for example. However, LED-based sensors have limited detection capabilities due to optical abilities. Mobile LED-based solutions don’t provide sufficient optical power over the spectral ranges needed to monitor key biomarkers. That’s why larger benchtop equipment is used to monitor biomarkers – it provides more powerful light sources that can achieve a wider spectral range. But what if a mobile sensor could extend light’s measurement capabilities into a completely new range of wavelengths to reveal more about the wearer’s health? Andrew Rickman, founder and CEO of Rockley Photonics, believes the smartwatches arriving in 2023 will have next-gen photonic sensors that will allow them to do just that.
