Tuesday, December 6, 2022

Laser Spectrometer Chip For Wearable Health Monitoring

By Sharad Bhowmick

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High-density laser spectrophotometers can enable smaller products and ultra-high-volume manufacturing for wearable health monitoring devices.

The laser spectrometer chip from Rockley Photonics is the world’s smallest chip for health monitoring applications. This laser-based solution offers a smaller area compared to a LED-based spectrometer, which can enable a reduction of size and power of the application. It offers up to 6x higher density than any other existing product which can enable engineers to create smaller wearable devices. Silicon-photonics-based bio-sensing chips can help designers to make compact devices for the detection and measurement of multiple biomarkers. It is the world’s first micro-transfer-printed (mTP) silicon-photonics-based laser for commercial applications. The IC offers photonic chip size reduction and additional reductions in chip manufacturing costs. It can be used for creating ultra-small wearables, clothing, or XR/VR/AR headsets and glasses.

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“Applying the micro-transfer printing process to the production of integrated lasers is a huge breakthrough that we believe will have a tremendous impact on wearable biosensing and on the photonics industry as a whole,” said Dr. Andrew Rickman, chairman and chief executive officer of Rockley. “We arguably have some of the most sophisticated photonics technology in the world, and this unprecedented level of miniaturization raises the bar even further. By creating biosensing chips that are smaller, lower-cost, and more efficient, we can continually improve our wearable biosensing products and deliver novel, relevant, and more powerful ways to monitor our health.”

According to the company, this next-gen, heterogeneous integration platform will lead to several significant technological advancements, including higher densities of lasers, increasingly smaller chip sizes, and ultra-high-volume manufacturing. This technology can improve our wearable biosensing products and can open doors for newer methods of health monitoring.


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