Waveguide-Enhanced Raman Spectroscopy for Detection of Hazardous Vapor Phase Materials

Erik Emmons; Phillip Wilcox; Kevin Hung; Erik Roese; Ashish Tripathi; Jason Guicheteau; Ben Miller; Ethan Luta; Matthew Yates; Nathan Tyndall; Todd Stievater

doi:10.1364/SENSORS.2023.STu5D.3

Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES)
Technical Digest Series (Optica Publishing Group, 2023),
paper STu5D.3
•https://doi.org/10.1364/SENSORS.2023.STu5D.3

Waveguide-Enhanced Raman Spectroscopy for Detection of Hazardous Vapor Phase Materials

Erik Emmons, Phillip Wilcox, Kevin Hung, Erik Roese, Ashish Tripathi, Jason Guicheteau, Ben Miller, Ethan Luta, Matthew Yates, Nathan Tyndall, and Todd Stievater

Optical Sensors 2023

Munich Germany
30 July–3 August 2023
ISBN: 978-1-957171-24-1

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Raman Sensing (STu5D)

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E. Emmons, P. Wilcox, K. Hung, E. Roese, A. Tripathi, J. Guicheteau, B. Miller, E. Luta, M. Yates, N. Tyndall, and T. Stievater, "Waveguide-Enhanced Raman Spectroscopy for Detection of Hazardous Vapor Phase Materials," in Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2023), paper STu5D.3.

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Abstract

Vapor phase threats materials are a significant concern for defense and homeland security but pose challenges for detection due to their low densities. The technique of waveguide-enhanced Raman spectroscopy (WERS) is being developed to address this challenge by combining long light/analyte interaction pathways on photonic integrated circuit (PIC) waveguides with polymer concentration to increase the detection sensitivity. These elements are being combined with compact Raman spectrometers to develop fieldable WERS detection systems.

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