Harsh-Environment Resistant OH-Vibrations Sensitive Mid-Infrared Water-Ice Photonic Sensor

Autor: Aguilo, M., Martinez, J., Rodenas, A., Stake, A, Traveria, M., Solis, J., Osellame, R., Tanaka, T., Berton, B., Kimura, S., Rehfeld, N., Diaz, F.
Přispěvatelé: Física i Cristal.lografia de Materials, Física i Cristal·lografia de Nanomaterials, Química Física i Inorgànica, Universitat Rovira i Virgili
Rok vydání: 2017
Předmět:
Zdroj: Advanced Materials Technologies
DOI: 10.1002/admt.201700085
Popis: Filiació URV: SI State-of-the-art ultrahigh-sensitivity photonic sensing schemes rely on exposing the evanescent field of tightly confined light to the environment. Yet this renders an inherent fragility to the device, and since adding a protective layer disables light exposure, there exists a technology gap for highly-sensitive harsh-environment resistant surface photonic sensors. Here we report a novel type of mid-infrared waveguide sensors which exploit vibrational resonance-driven directional coupling effects besides absorption, with optical sensing elements that can be buried (~1-10 μm) and resist systematic exposure to industrial environments without failure. A harshenvironment resistant, fiber-coupled, surface sensor for monitoring the structural phase of water (liquid-supercooled-solid), as well as the type of ice microstructure (clearrime), is shown. We demonstrate how this type of sensor can be designed to detect ice layers with nanometric (~100 nm) to microscopic (~30 μm or higher) thicknesses, and report the first experimental tests both in optical laboratory and in icing wind tunnel inflight aircraft simulation tests.
Databáze: OpenAIRE