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Conferences > Sensors > 2022 > SM4E > SM4E.2

GeSbSe Devices for Mid-Infrared Optical Sensing

Michael Grayson, Greg Krueper, Bo Xu, Dag Hjelme, Juliet T. Gopinath, and Wounjhang Park

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Abstract

We fabricated GeSbSe waveguides and resonators using e-beam lithography and achieved a propagation loss of 4.4 dB/cm in the mid-infrared region. Using these devices we demonstrated optical sensing of aromatic aldehydes with a limit of detection of 0.25 μmol/mL.

© 2022 The Author(s)

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