A Novel Photodiode for Reflectance Pulse Oximetry in low-power applications

Rasmus Grønbek Haahr, Sune Bro Duun, Karen Birkelund, Palle Raahauge, Peter Christian Petersen, Henrik Friis Dam, Lars Nørgaard, Erik Vilain Thomsen

9 Citations (Scopus)

Abstract

The amount of light collected is crucial for low-power applications of pulse oximetry. In this work a novel ring-shaped backside photodiode has been developed for a wearable reflectance pulse oximeter. The photodiode is proven to work with a dual LED with wavelengths of 660 nm and 940 nm. For the purpose of continuously monitoring vital signs of a human, a temperature sensor is integrated onto the chip containing the photodiode. This biomedical multisensor chip is made for integration into "the electronic patch", an autonomous monitoring system for humans.
Original languageEnglish
Title of host publicationA Novel Photodiode for Reflectance Pulse Oximetry in low-power applications
Publication date23 Aug 2007
DOIs
Publication statusPublished - 23 Aug 2007

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