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15 June 2023 Silicon photonics based ultra-compact short-wave infrared laser spectrometer platform for non-invasive wearable sensors
Benjamin J. VerSteeg, Todd Newhouse, Yi Zhang, Jeff Driscoll, David Nelson, David McCann, Mathew Paul, Alexander Fast, Adrian Bahani, Cristiano Dalvi, Sean Merrit, Ariel Bohman, Ferdyan Lesmana, Aaron Zilkie, Hooman Abediasl
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Proceedings Volume 12516, Next-Generation Spectroscopic Technologies XV; 125160D (2023) https://doi.org/10.1117/12.2664085
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States
Abstract
We have developed a miniaturized silicon photonics short-wave infrared spectrophotometer that fits in a wrist-based wearable device. Our device has the capability for non-invasive and real-time measurement of various physiologic biochemistries that cannot be interrogated with the same accuracy when using light emitting diodes (LEDs) and common photoplethysmography (PPG) applications. By producing many discrete and individually addressable laser diodes on a single photonics integrated circuit together with wavelength multiplexing and on-chip wavelength and power monitoring, our platform enables novel commercial applications, including the ability to sense hydration status, core body temperature, alcohol consumption, lactate threshold, and glucose levels.
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Benjamin J. VerSteeg, Todd Newhouse, Yi Zhang, Jeff Driscoll, David Nelson, David McCann, Mathew Paul, Alexander Fast, Adrian Bahani, Cristiano Dalvi, Sean Merrit, Ariel Bohman, Ferdyan Lesmana, Aaron Zilkie, and Hooman Abediasl "Silicon photonics based ultra-compact short-wave infrared laser spectrometer platform for non-invasive wearable sensors", Proc. SPIE 12516, Next-Generation Spectroscopic Technologies XV, 125160D (15 June 2023); https://doi.org/10.1117/12.2664085
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KEYWORDS
Infrared spectroscopy
Silicon photonics
Infrared sensors
Integrated optics
Sensors
Spectroscopy
Infrared lasers
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