High‐Accuracy Photoplethysmography Array Using Near‐Infrared Organic Photodiodes with Ultralow Dark Current
Photoplethysmogram
Photodiode
Pulse Oximetry
DOI:
10.1002/adom.201901989
Publication Date:
2020-03-16T08:09:57Z
AUTHORS (8)
ABSTRACT
Abstract Reflectance oximeters based on organic photodiode (OPD) arrays offer the potential to map blood pulsation and oxygenation via photoplethysmography (PPG) over a large area beyond traditional sensing locations. Here, an reflectance PPG array 16 × OPD pixels is developed. The individual exhibit near‐infrared sensitivity up ≈950 nm low dark current density in order of 10 −6 mA cm −2 . This results high‐quality signals. Analysis full waveform yields insight artery stiffness quality circulation, demonstrating these pulse oximetry heart‐rate calculation.
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