Porous Silica Enrichment Films on Integrated Waveguides for Broadband Mid-IR Spectroscopic Trace Analysis

Autor: Jeroen Missine, Gunther Roelkens, Bernhard Lendl, Sanja Radosavljevic, Nuria Teigell Beneitez, Bettina Baumgartner, Dominik Wacht
Rok vydání: 2021
Předmět:
Zdroj: OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES).
DOI: 10.1364/es.2021.eth2a.4
Popis: Germanium-on-Silicon waveguide chips coated with functionalized mesoporous silica were used for evanescent wave sensing of organic contaminants in gas and aqueous phase. Low ppm level LODs and fast response times pave the way for in-line monitoring.
Databáze: OpenAIRE