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Conferences > CLEO_SI > 2020 > STh4L > STh4L.4

Sub-Parts-Per-Million Level Detection of Ethanol using Mid-Infrared Photonic Crystal Waveguide in Silicon-on-Insulator

Ali Rostamian, Hamed Dalir, Mohammad H. Teimourpour, and Ray T. Chen

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Abstract

We experimentally demonstrate an Ethanol sensor based on a slotted photonic crystal waveguide fabricated on a silicon on insulator platform to perform at a center wavelength of 3.4μm. Utilizing a 9mm long PCW, concentrations of down to 500 parts per billion (ppb) of Ethyl alcohol is detected.

© 2020 The Author(s)

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