DEVICE AND METHOD FOR DETECTING CHANGES IN THE REFRACTIVE INDEX OF A DIELECTRIC MEDIUM

DEVICE AND METHOD FOR DETECTING CHANGES IN THE REFRACTIVE INDEX OF A DIELECTRIC MEDIUM

The device for detecting changes in the refractive index of a dielectric medium comprises: at least one metallic layer (300) ready to be placed in contact with the dielectric medium (200); at least one light source (20) configured to direct transversal magnetic (TM) polarized light towards such meta...

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Hauptverfasser: SEPULVEDA MARTINEZ, BORJA, LECHUGA GOMEZ, LAURA M, ARMELLES REIG, GASPAR, CALLE MARTIN, ANA
Format: Patent
Sprache:eng ; fre
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator SEPULVEDA MARTINEZ, BORJA
LECHUGA GOMEZ, LAURA M
ARMELLES REIG, GASPAR
CALLE MARTIN, ANA
description The device for detecting changes in the refractive index of a dielectric medium comprises: at least one metallic layer (300) ready to be placed in contact with the dielectric medium (200); at least one light source (20) configured to direct transversal magnetic (TM) polarized light towards such metallic layer, so that the light is reflected on such metallic layer; coupling means (10); and at least one detector (31) configured to receive light reflected by the metallic layer and to detect at least one feature of such light. According to the invention, the metallic layer contains a ferromagnetic material. The invention also relates to a method.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title DEVICE AND METHOD FOR DETECTING CHANGES IN THE REFRACTIVE INDEX OF A DIELECTRIC MEDIUM
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