High sensitivity guided-mode-resonance optical sensor employing phase detection

Abstract We report an ultra-sensitive refractive index (RI) sensor employing phase detection in a guided mode resonance (GMR) structure. By incorporating the GMR structure in to a Mach-Zehnder Interferometer, we measured the phase of GMR signal by calculating the amount of fringe shift. Since the ph...

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Autores principales: Pankaj K. Sahoo, Swagato Sarkar, Joby Joseph
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/8c1be512a59e4f039989290148aac49a
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