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Wearable Sensors Challenge Traditional Medical Technology

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Modern sensor technology already enables the noninvasive recording of basic health information. Further advancements may move basic medical diagnostics from the hospital to the home.


From Apple to Fitbit to Garmin to Google, in the U.S. alone, dozens of companies are producing wearable sensors that record our movements as well as basic health information. Many of these devices rely on optical telemetry to read information about the body and transmit it to a smartphone via Bluetooth or Wi-Fi. While the growth of the smartphone market may be leveling off — in part because users are keeping their devices longer — the wrist and body are still prime, underexplored

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Photonics Spectra
Aug 2019
Sensors & DetectorswearablephotoplethysmographyPPGLEDsnear-infraredphotodiodeNewcastle UniversityopticsFreeman Hospital NorthernPeripheral arterial diseasePADprimary careNorthwestern UniversityUniversity of St. Andrewsoptoelectronic sensorsCMOSimagingUniversity of California Los AngelesNIRFeaturesBiophotonics

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